mfd: rtsx: Add support for rts522A

rts522a(rts5227s) is derived from rts5227, and mainly same with rts5227.
Add it to file mfd/rts5227.c to support this chip.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/rtsx_pci.h

@@ -589,6 +589,7 @@
 #define   FORCE_ASPM_NO_ASPM		0x00
 #define PM_CLK_FORCE_CTL		0xFE58
 #define FUNC_FORCE_CTL			0xFE59
+#define   FUNC_FORCE_UPME_XMT_DBG	0x02
 #define PERST_GLITCH_WIDTH		0xFE5C
 #define CHANGE_LINK_STATE		0xFE5B
 #define RESET_LOAD_REG			0xFE5E
@@ -712,6 +713,7 @@
 #define PHY_RCR1			0x02
 #define   PHY_RCR1_ADP_TIME_4		0x0400
 #define   PHY_RCR1_VCO_COARSE		0x001F
+#define   PHY_RCR1_INIT_27S		0x0A1F
 #define PHY_SSCCR2			0x02
 #define   PHY_SSCCR2_PLL_NCODE		0x0A00
 #define   PHY_SSCCR2_TIME0		0x001C
@@ -724,6 +726,7 @@
 #define   PHY_RCR2_FREQSEL_12		0x0040
 #define   PHY_RCR2_CDR_SC_12P		0x0010
 #define   PHY_RCR2_CALIB_LATE		0x0002
+#define   PHY_RCR2_INIT_27S		0xC152
 #define PHY_SSCCR3			0x03
 #define   PHY_SSCCR3_STEP_IN		0x2740
 #define   PHY_SSCCR3_CHECK_DELAY	0x0008
@@ -800,12 +803,14 @@
 #define   PHY_ANA1A_RXT_BIST		0x0500
 #define   PHY_ANA1A_TXR_BIST		0x0040
 #define   PHY_ANA1A_REV			0x0006
+#define   PHY_FLD0_INIT_27S		0x2546
 #define PHY_FLD1			0x1B
 #define PHY_FLD2			0x1C
 #define PHY_FLD3			0x1D
 #define   PHY_FLD3_TIMER_4		0x0800
 #define   PHY_FLD3_TIMER_6		0x0020
 #define   PHY_FLD3_RXDELINK		0x0004
+#define   PHY_FLD3_INIT_27S		0x0004
 #define PHY_ANA1D			0x1D
 #define   PHY_ANA1D_DEBUG_ADDR		0x0004
 #define _PHY_FLD0			0x1D
@@ -824,6 +829,7 @@
 #define   PHY_FLD4_BER_COUNT		0x00E0
 #define   PHY_FLD4_BER_TIMER		0x000A
 #define   PHY_FLD4_BER_CHK_EN		0x0001
+#define   PHY_FLD4_INIT_27S		0x5C7F
 #define PHY_DIG1E			0x1E
 #define   PHY_DIG1E_REV			0x4000
 #define   PHY_DIG1E_D0_X_D1		0x1000