board/b4860qds: Add support to make PCIe SATA work on B4860QDS

1) SerDes2 Refclks have been set properly to make PCIe SATA to work as it work on SerDes refclk of 100MHz
2) Mask the SerDes's device reset request before changing the Refclks for SerDes1 and SerDes2 for PLL locks to happen properly, device reset request bit unmasked after SerDes refclks configuration

---
 arch/powerpc/include/asm/immap_85xx.h |    3 +
 board/freescale/b4860qds/b4860qds.c   |  119 ++++++++++++++++++++++++++++++---
 2 files changed, 113 insertions(+), 9 deletions(-)

index 9d08321..e0efc7e 100644
@@ -1722,6 +1722,9 @@ typedef struct ccsr_gur {
 	u32	rstrqpblsr;	/* Reset request preboot loader status */
 	u8	res11[8];
 	u32	rstrqmr1;	/* Reset request mask */
+#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
+#define FSL_CORENET_RSTRQMR1_SRDS_RST_MSK      0x00000800
+#endif
 	u8	res12[4];
 	u32	rstrqsr1;	/* Reset request status */
 	u8	res13[4];

1.7.6.GIT

Applied to u-boot-mpc85xx/master. Thanks.

York