mfd: rtsx: Update PETXCFG address

PETXCFG is defined at 0xFF03, the old 0xFE49 not used any more.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index e81f2bb..87cff60 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -572,7 +572,6 @@
 #define MSGTXDATA2			0xFE46
 #define MSGTXDATA3			0xFE47
 #define MSGTXCTL			0xFE48
-#define PETXCFG				0xFE49
 #define LTR_CTL				0xFE4A
 #define OBFF_CFG			0xFE4C
 
@@ -606,6 +605,7 @@
 #define DUMMY_REG_RESET_0		0xFE90
 
 #define AUTOLOAD_CFG_BASE		0xFF00
+#define PETXCFG				0xFF03
 
 #define PM_CTRL1			0xFF44
 #define PM_CTRL2			0xFF45