dt-bindings: clock: imx93: Drop IMX93_CLK_END macro definition

IMX93_CLK_END should be dropped as it is not part of the ABI.

Signed-off-by: Pengfei Li <[e-mail]>
Acked-by: Krzysztof Kozlowski <[e-mail]>
Acked-by: Peng Fan <[e-mail]>
Acked-by: Conor Dooley <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Abel Vesa <[e-mail]>

include/dt-bindings/clock/imx93-clock.h

···
 #define IMX93_CLK_A55_SEL		199
 #define IMX93_CLK_A55_CORE		200
 #define IMX93_CLK_PDM_IPG		201
-#define IMX93_CLK_END			202
 
 #endif