内核config文件打开CONFIG_DEVMEM后出现For kernel requirements at matrix level 5, For config CONFIG_DEVMEM, value = y but required n

内核config文件打开CONFIG_DEVMEM后出现编译错误：

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checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:84] List 'out/target/product/sc126/system/product/etc/vintf/': No such file or directory checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:84] List 'out/target/product/sc126/system/etc/vintf/': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/manifest.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.legacy.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.1.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.5.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.2.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.device.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.3.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/etc/vintf/compatibility_matrix.4.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:84] List 'out/target/product/sc126/system/system_ext/etc/vintf/': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:74] Fetch 'out/target/product/sc126/system/system_ext/etc/vintf/manifest.xml': SUCCESS checkvintf I 04-18 23:30:02 409602 409602 check_vintf.cpp:84] List 'out/target/product/sc126/system/product/etc/vintf/': No such file or directory checkvintf E 04-18 23:30:02 409602 409602 check_vintf.cpp:554] files are incompatible: Runtime info and framework compatibility matrix are incompatible: No compatible kernel requirement found (kernel FCM version = 5). checkvintf E 04-18 23:30:02 409602 409602 check_vintf.cpp:554] For kernel requirements at matrix level 5, For config CONFIG_DEVMEM, value = y but required n

　修改方法：LA.UM.9.15.2.R1/kernel/config/下的根据内核版本，config文件也要修改

qcm2290_a13/LA.UM.9.15.2.R1/kernel/configs$ grep "CONFIG_DEVMEM" . -rn
./o-mr1/android-4.9/android-base.config:3:# CONFIG_DEVMEM is not set
./o-mr1/android-3.18/android-base.config:3:# CONFIG_DEVMEM is not set
./o-mr1/android-4.4/android-base.config:3:# CONFIG_DEVMEM is not set
./q/android-4.9/android-base.config:3:# CONFIG_DEVMEM is not set
./q/android-4.14/android-base.config:2:# CONFIG_DEVMEM is not set
./q/android-4.19/android-base.config:2:# CONFIG_DEVMEM is not set
./p/android-4.9/android-base.config:3:# CONFIG_DEVMEM is not set
./p/android-4.14/android-base.config:3:# CONFIG_DEVMEM is not set
./p/android-4.4/android-base.config:3:# CONFIG_DEVMEM is not set
./o/android-4.9/android-base.config:3:# CONFIG_DEVMEM is not set
./o/android-3.18/android-base.config:3:# CONFIG_DEVMEM is not set
./o/android-4.4/android-base.config:3:# CONFIG_DEVMEM is not set
./r/android-4.14/android-base.config:3:# CONFIG_DEVMEM is not set
./r/android-5.4/android-base.config:5:# CONFIG_DEVMEM is not set
./r/android-4.19/android-base.config:5:# CONFIG_DEVMEM is not set