soc: keystone_serdes: enhance to use cmu/comlane/lane specific configurations

Enhance the driver to use cmu/comlane/lane specific configurations
instead of 1 big array of configuration.

Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h
index 0441b29..6e2e939 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -177,6 +177,9 @@
 
 #define KS2_MAC_ID_BASE_ADDR		(KS2_DEVICE_STATE_CTRL_BASE + 0x110)
 
+/* SGMII SerDes */
+#define KS2_SGMII_SERDES_BASE		0x0232a000
+
 #ifdef CONFIG_SOC_K2HK
 #include <asm/arch/hardware-k2hk.h>
 #endif