ARM: clk-imx6q: refine clock tree for SSI
ARM: clk-imx6q: refine clock tree for SSI

Each SSI has "ssi", "ssi_ipg" clocks, and they share same gate bits.

Signed-off-by: Shengjiu Wang <5bd8013dd2cd1a75f84b8ab60f6057aa461774f0@freescale.com>
Signed-off-by: Shawn Guo <912cf7eb7d8018e2943586ae6657d21fd4e38239@freescale.com>

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