PR target/52144
* config/arm/elf.h (TARGET_ASM_FILE_START_APP_OFF): Delete.

PR target/52144
* gcc.target/arm/flip-thumb.c: Fix scan.
* gcc.target/arm/attr_thumb.c: Test for all targets. Fix scan.
* gcc.target/arm/attr_arm.c: Test for all targets. Fix scan.
* gcc.target/arm/attr_thumb-static.c: Test for all targets.
Fix return value.

From-SVN: r225503