rtl838x: fix RTL838X_LED_SW_CTRL definition

According to https://svanheule.net/realtek/maple/register/led_sw_ctrl and also
drivers/net/dsa/rtl83xx/debugfs.c LED_SW_CTRL on the RTL838X should be 0xa00c
not 0x0128. Please note, that is is 0x0128 on the RTL8390/cypress SOC family.

Signed-off-by: Peter Körner <[email protected]>

target/linux/realtek/files-5.15/arch/mips/include/asm/mach-rtl838x/mach-rtl83xx.h

@@ -291,7 +291,7 @@
 #define RTL838X_LED_P_EN_CTRL		(0xA008)
 
 /* LED control by software */
-#define RTL838X_LED_SW_CTRL		(0x0128)
+#define RTL838X_LED_SW_CTRL		(0xA00C)
 #define RTL839X_LED_SW_CTRL		(0xA00C)
 #define RTL838X_LED_SW_P_EN_CTRL	(0xA010)
 #define RTL839X_LED_SW_P_EN_CTRL	(0x012C)