soc: pinctrl-lpi: update sizeof lpi offset to 32bit

Update sizeof lpi register offset to 32 bit to
accommodate all register offset for sdm670.

Change-Id: I9a3fdb56f9faf6c0aff627cbedaa54db606d2434
Signed-off-by: Rohit Kumar <rohitkr@codeaurora.org>

soc/pinctrl-lpi.c

@@ -81,7 +81,7 @@ enum lpi_gpio_func_index {
  * @function: See lpi_gpio_functions[]
  */
 struct lpi_gpio_pad {
-	u16		offset;
+	u32		offset;
 	bool		output_enabled;
 	bool		value;
 	char __iomem	*base;