Blackfin: increase default async timings for parallel flashes

The default async timings are a little too fast for the parallel flash
that is attached by default to the async banks.  So slow things down a bit
so accessing the hardware is stable.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/configs/BF518F-EZBRD_defconfig

@@ -358,9 +358,9 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
-CONFIG_BANK_3=0xFFC0
+CONFIG_BANK_3=0x99B2
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)

arch/blackfin/configs/BF526-EZBRD_defconfig

@@ -359,9 +359,9 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
-CONFIG_BANK_3=0xFFC0
+CONFIG_BANK_3=0x99B2
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)

arch/blackfin/configs/BF527-EZKIT_defconfig

@@ -363,9 +363,9 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
-CONFIG_BANK_3=0xFFC0
+CONFIG_BANK_3=0x99B2
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)

arch/blackfin/configs/BF548-EZKIT_defconfig

@@ -400,7 +400,7 @@ CONFIG_C_AMBEN_ALL=y
 # EBIU_AMBCTL Control
 #
 CONFIG_BANK_0=0x7BB0
-CONFIG_BANK_1=0x5554
+CONFIG_BANK_1=0x7BB0
 CONFIG_BANK_2=0x7BB0
 CONFIG_BANK_3=0x99B2
 CONFIG_EBIU_MBSCTLVAL=0x0