allwinner: Enable clock before resetting I2C/RSB
allwinner: Enable clock before resetting I2C/RSB

The clock must be running for the module to be reset.

Signed-off-by: Samuel Holland <c16aab9fe3288df0fb8fc1d24990a300b6b8f299@sholland.org>
Change-Id: Ic8fafc946f3a1a697174b91288e357ffa033ab9a

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware