Use better Ethernet timings for apollon board

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

board/apollon/mem.h

@@ -67,7 +67,7 @@
 # define APOLLON_24XX_GPMC_CONFIG7_0	(0x00000e40|(APOLLON_CS0_BASE >> 24))
 
 /* CS1: Ethernet */
-# define APOLLON_24XX_GPMC_CONFIG1_1	0x00011200
+# define APOLLON_24XX_GPMC_CONFIG1_1	0x00011203
 # define APOLLON_24XX_GPMC_CONFIG2_1	0x001F1F01
 # define APOLLON_24XX_GPMC_CONFIG3_1	0x00080803
 # define APOLLON_24XX_GPMC_CONFIG4_1	0x1C0b1C0a