dt-bindings: marvell,pxa168: add clock ids for SDH AXI clocks

These are clocks shared by SDH0/1 and SDH2/3, respectively.

Signed-off-by: Doug Brown <doug@schmorgal.com>
Link: https://lore.kernel.org/r/20220612192937.162952-12-doug@schmorgal.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: dougg3

include/dt-bindings/clock/marvell,pxa168.h

@@ -60,6 +60,8 @@
 #define PXA168_CLK_CCIC0_PHY		108
 #define PXA168_CLK_CCIC0_SPHY		109
 #define PXA168_CLK_SDH3			110
+#define PXA168_CLK_SDH01_AXI		111
+#define PXA168_CLK_SDH23_AXI		112
 
 #define PXA168_NR_CLKS			200
 #endif