GMAC: define clock ID used for GMAC
GMAC: define clock ID used for GMAC

changes since v2:
1. remove SCLK_MAC_PLL

Signed-off-by: Roger Chen <f7a2fe5c6ae514bc8285a8ebe7a6c15609d1bb2f@rock-chips.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

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