ARM: SAMSUNG: Remove unused plat/regs-watchdog.h header
ARM: SAMSUNG: Remove unused plat/regs-watchdog.h header

Since there are no remaining users of this header, it can be safely
dropped.

Signed-off-by: Tomasz Figa <69861c78e6f8ec8c6fbfd1c06050c87cda6b23eb@gmail.com>
Tested-by: Sylwester Nawrocki <3ec980a5bae855ae8ff893bb06e50918b93af134@gmail.com>
Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs