dt-bindings: clock: rp1: Add missing MIPI DSI defines

Declare the positional index for the RP1 MIPI clocks.

Signed-off-by: Andrea della Porta <[e-mail]>
Reviewed-by: Stephen Boyd <[e-mail]>
Link: https://lore.kernel.org/r/c200[e-mail]
Signed-off-by: Florian Fainelli <[e-mail]>

include/dt-bindings/clock/raspberrypi,rp1-clocks.h

···
 #define RP1_PLL_VIDEO_PRI_PH		43
 #define RP1_PLL_AUDIO_TERN		44
 
+/* MIPI clocks managed by the DSI driver */
+#define RP1_CLK_MIPI0_DSI_BYTECLOCK	45
+#define RP1_CLK_MIPI1_DSI_BYTECLOCK	46
+
 #endif