ARM: EXYNOS: Constify clksrc immutable register restore tables
ARM: EXYNOS: Constify clksrc immutable register restore tables

The clksrc tables are constant, they are not used to store register values
at suspend.

size arch/arm/mach-exynos/pm.o
   text	   data	    bss
   1591	    212	     12	   // Before
   1671	    132	     12	   // After

Signed-off-by: Daniel Kurtz <31914e832df1cd8e5daa417106c0c6f5297b27d7@chromium.org>
Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

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