uboot-sunxi: add fix for A20-OLinuXino-Lime2-eMMC rev. K boards

The OLinuXino Lime2 rev. K boards use new PHYs (Micrel KSZ9031),
so enable that.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

package/boot/uboot-sunxi/patches/063-fix-lime2-revK-add-micrel-PHY.patch

@@ -0,0 +1,44 @@
+--- a/configs/A20-OLinuXino-Lime2-eMMC_defconfig
++++ b/configs/A20-OLinuXino-Lime2-eMMC_defconfig
+@@ -8,6 +8,8 @@ CONFIG_MMC_SUNXI_SLOT_EXTRA=2
+ CONFIG_USB0_VBUS_PIN="PC17"
+ CONFIG_USB0_VBUS_DET="PH5"
+ CONFIG_I2C1_ENABLE=y
++CONFIG_PHY_MICREL=y
++CONFIG_PHY_MICREL_KSZ90X1=y
+ CONFIG_SATAPWR="PC3"
+ CONFIG_AHCI=y
+ CONFIG_NR_DRAM_BANKS=1
+--- a/configs/A20-OLinuXino-Lime2_defconfig
++++ b/configs/A20-OLinuXino-Lime2_defconfig
+@@ -7,6 +7,8 @@ CONFIG_MMC0_CD_PIN="PH1"
+ CONFIG_USB0_VBUS_PIN="PC17"
+ CONFIG_USB0_VBUS_DET="PH5"
+ CONFIG_I2C1_ENABLE=y
++CONFIG_PHY_MICREL=y
++CONFIG_PHY_MICREL_KSZ90X1=y
+ CONFIG_SATAPWR="PC3"
+ CONFIG_AHCI=y
+ CONFIG_NR_DRAM_BANKS=1
+--- a/drivers/net/phy/micrel_ksz90x1.c
++++ b/drivers/net/phy/micrel_ksz90x1.c
+@@ -13,6 +13,8 @@
+ #include <errno.h>
+ #include <micrel.h>
+ #include <phy.h>
++#include <asm/io.h>
++#include <asm/arch/clock.h>
+ 
+ /*
+  * KSZ9021 - KSZ9031 common
+@@ -329,6 +331,10 @@ static int ksz9031_phy_extwrite(struct p
+ static int ksz9031_config(struct phy_device *phydev)
+ {
+ 	int ret;
++	struct sunxi_ccm_reg *const ccm =
++		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
++
++	setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_DELAY(4));
+ 
+ 	ret = ksz9031_of_config(phydev);
+ 	if (ret)