mfd: rtsx: Add support for RTL8411B

Adding support of model RTL8411B. Since the model is similar to RTL8411,
differences are implemented in rtl8411.c.

Signed-off-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 86bc635..7a9f708 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -575,6 +575,7 @@
 
 #define CARD_PWR_CTL			0xFD50
 #define CARD_CLK_SWITCH			0xFD51
+#define RTL8411B_PACKAGE_MODE		0xFD51
 #define CARD_SHARE_MODE			0xFD52
 #define CARD_DRIVE_SEL			0xFD53
 #define CARD_STOP			0xFD54