mfd: palmas: Constify strings with regulator names

The names of regulators are static const strings, so pointers can be made
as pointers to const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240909134941.121847-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>

include/linux/mfd/palmas.h

@@ -98,8 +98,8 @@ struct palmas_sleep_requestor_info {
 };
 
 struct palmas_regs_info {
-	char	*name;
-	char	*sname;
+	const char	*name;
+	const char	*sname;
 	u8	vsel_addr;
 	u8	ctrl_addr;
 	u8	tstep_addr;