uboot: Add fixup for CREG_AXI_M_HS_CORE_BOOT

Signed-off-by: Evgeniy Didin <didin@synopsys.com>

board/synopsys/hsdk/uboot-patches/0063-ARC-HSDK-fix-clear-two-bits-not-bytes-in-CREG_AXI_M_.patch

@@ -0,0 +1,27 @@
+From 53ab52507c3693d3f6ff126636442c681366d8bf Mon Sep 17 00:00:00 2001
+From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
+Date: Fri, 12 Jan 2018 16:58:54 +0300
+Subject: [PATCH] ARC: HSDK: fix: clear two bits, not bytes in
+ CREG_AXI_M_HS_CORE_BOOT
+
+Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
+---
+ board/synopsys/hsdk/hsdk-cmd.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/board/synopsys/hsdk/hsdk-cmd.c b/board/synopsys/hsdk/hsdk-cmd.c
+index 67160ee7df..ed7a7b876c 100644
+--- a/board/synopsys/hsdk/hsdk-cmd.c
++++ b/board/synopsys/hsdk/hsdk-cmd.c
+@@ -737,7 +737,7 @@ void init_memory_bridge(void)
+ 	 * M_HS_CORE has one unic register - BOOT.
+ 	 * We need to clean boot mirror (BOOT[1:0]) bits in them.
+ 	 */
+-	reg = readl(CREG_AXI_M_HS_CORE_BOOT) & (~0xFF);
++	reg = readl(CREG_AXI_M_HS_CORE_BOOT) & (~0x3);
+ 	writel(reg, CREG_AXI_M_HS_CORE_BOOT);
+ 	writel(0x11111111, CREG_AXI_M_SLV0(M_HS_CORE));
+ 	writel(0x63111111, CREG_AXI_M_SLV1(M_HS_CORE));
+-- 
+2.11.0
+