mfd: db8500-prcmu: Remove needless return in three void APIs

Remove needless 'return' in the following void APIs:

prcmu_early_init()
prcmu_system_reset()
prcmu_modem_reset()

Since both the API and callee involved are void functions.

Signed-off-by: Zijun Hu <[e-mail]>
Reviewed-by: Linus Walleij <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Lee Jones <[e-mail]>

include/linux/mfd/dbx500-prcmu.h

···
 
 static inline void prcmu_early_init(void)
 {
-	return db8500_prcmu_early_init();
+	db8500_prcmu_early_init();
 }
 
 static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
···
 
 static inline void prcmu_system_reset(u16 reset_code)
 {
-	return db8500_prcmu_system_reset(reset_code);
+	db8500_prcmu_system_reset(reset_code);
 }
 
 static inline u16 prcmu_get_reset_code(void)
···
 void prcmu_ac_sleep_req(void);
 static inline void prcmu_modem_reset(void)
 {
-	return db8500_prcmu_modem_reset();
+	db8500_prcmu_modem_reset();
 }
 
 static inline bool prcmu_is_ac_wake_requested(void)