drivers: pinctrl: add pin function for 11/0xB

MSPM0Lx series supports pin function upto 11 i.e 0xb, extend
the pin control function number to 11.

Signed-off-by: Parthiban Nallathambi <[email protected]>

Author: parthitce

include/zephyr/dt-bindings/pinctrl/mspm0-pinctrl.h

@@ -20,6 +20,7 @@
 #define MSPM0_PIN_FUNCTION_8      (0x00000008)
 #define MSPM0_PIN_FUNCTION_9      (0x00000009)
 #define MSPM0_PIN_FUNCTION_10     (0x0000000A)
+#define MSPM0_PIN_FUNCTION_11     (0x0000000B)
 
 /* Creates a concatenation of the correct pin function based on the pin control
  * management register offset and the function suffix.