clk: rockchip: add clock-id for rk3036 emac pll source clock

Suitable PLLs for the emac on the rk3036 are difficult to find
and one of them is the (continuously changing) APLL. So in most
cases it will be necessary to select a PLL manually.
So add a clock-id for it.

Signed-off-by: Xing Zheng <[e-mail]>
Signed-off-by: Caesar Wang <[e-mail]>
Cc: Xing Zheng <[e-mail]>
Cc: Michael Turquette <[e-mail]>
Cc: Heiko Stuebner <[e-mail]>
Cc: Stephen Boyd <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Signed-off-by: David S. Miller <[e-mail]>

include/dt-bindings/clock/rk3036-cru.h

···
 #define SCLK_PVTM_VIDEO		125
 #define SCLK_MAC		151
 #define SCLK_MACREF		152
+#define SCLK_MACPLL		153
 #define SCLK_SFC		160
 
 /* aclk gates */