ARM: dts: Update G2D documentation for clock entries
ARM: dts: Update G2D documentation for clock entries

Added clock entry definitions to G2D bindings document.

Signed-off-by: Sachin Kamat <1c3b1584a6008857f36c03c58f657c0fc16fc09e@linaro.org>
Cc: d889e877b752ff82fa878333991431b6b11c64b8@lists.ozlabs.org
Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

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