clang-16: vdso32 executable stack warning

vdso32: suppress executable stack warning
warning: arch/arm64/kernel/vdso32/sigreturn.o: missing .note.GNU-stack section implies executable stack

clang/bin/arm-linux-gnueabi-ld.bfd: NOTE: This behaviour is deprecated and will be removed in a future version of the linker

Change-Id: 2686102fb75a38aba0f4ce01016af27ced6b40b8
Signed-off-by: Cykeek <Cykeek@proton.me>
Signed-off-by: improbir <ghosh_probir@yahoo.com>