next: arm: #pragma message "The platform is deprecated and scheduled for removal

[Naresh Kamboju]

Following arm build regressions noticed on Linux next-20230412.
We need to investigate the list of platforms that are getting deprecated
 and we will stop building platforms.

Regressions found on arm:

- build/clang-nightly-s3c6400_defconfig
- build/gcc-12-s3c6400_defconfig
- build/gcc-8-s3c6400_defconfig

arch/arm/mach-s3c/s3c64xx.c:423:9: note: '#pragma message: The
platform is deprecated and scheduled for removal. Please reach to the
maintainers of the platform and linux-samsung-soc@xxxxxxxxxxxxxxx if
you still use it.Without such feedback, the platform will be removed
after 2024.'
  423 | #pragma message "The platform is deprecated and scheduled for
removal. " \
      |         ^~~~~~~
arm-linux-gnueabihf-ld: arch/arm/vfp/entry.o: in function `do_vfp':
arch/arm/vfp/entry.S:27: undefined reference to `vfp_entry'
make[2]: *** [scripts/Makefile.vmlinux:35: vmlinux] Error 1

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