clk: ast2600: Revise MII interface delay

The clock delay of the RMII/RGMII interface is controlled by SCU340~35C.
These values are obtained by measurement and experiments so we simply
use macro to define them.

Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/clk/aspeed/clk_ast2600.c b/drivers/clk/aspeed/clk_ast2600.c
index 42ca394..3fb8d68 100644
--- a/drivers/clk/aspeed/clk_ast2600.c
+++ b/drivers/clk/aspeed/clk_ast2600.c
@@ -19,11 +19,11 @@
 #define CLKIN_25M 25000000UL
 
 /* MAC Clock Delay settings */
-#define MAC12_DEF_DELAY_1G		0x0041b75d
-#define MAC12_DEF_DELAY_100M	0x00417410
-#define MAC12_DEF_DELAY_10M		0x00417410
-#define MAC34_DEF_DELAY_1G		0x0010438a
-#define MAC34_DEF_DELAY_100M	0x00104208
+#define MAC12_DEF_DELAY_1G		0x0028a410
+#define MAC12_DEF_DELAY_100M		0x00410410
+#define MAC12_DEF_DELAY_10M		0x00410410
+#define MAC34_DEF_DELAY_1G		0x00104208
+#define MAC34_DEF_DELAY_100M		0x00104208
 #define MAC34_DEF_DELAY_10M		0x00104208
 
 /*