Samsung cleanup for v3.15

- Use generic uncompress.h for exynos and
  remove exynos <mach/uncompress.h> accordingly
  (other uncompress.h files will be removed)
- move <plat/rtc-core.h> into s3c24xx <mach/rtc-core.h>
- remove unused header files
- cleanup exynos related non-DT stuffs
- use inclusion <linux/serial_s3c.h> instead of
  <plat/regs-serial.h>
- remove unneeded Kconfig entries:
  S3C24XX_GPIO_EXTRA64 and S3C24XX_GPIO_EXTRA128
- remove unneeded function s3c24xx_init_cpu()
- remove obsolete s3c24xx <mach/tick.h>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
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=mVSN
-----END PGP SIGNATURE-----