[PARISC] Enabled some NLS modules in a500, b180 and c3000 defconfigs

With c3000_defconfig and b180_defconfig, FAT couldn't be used
because no NLS modules were built.

Signed-off-by: Stuart Brady <sdb@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig
index 959ad3c..f3b812f 100644
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -1031,8 +1031,8 @@
 # CONFIG_NLS_ISO8859_8 is not set
 # CONFIG_NLS_CODEPAGE_1250 is not set
 # CONFIG_NLS_CODEPAGE_1251 is not set
-# CONFIG_NLS_ASCII is not set
-# CONFIG_NLS_ISO8859_1 is not set
+CONFIG_NLS_ASCII=m
+CONFIG_NLS_ISO8859_1=m
 # CONFIG_NLS_ISO8859_2 is not set
 # CONFIG_NLS_ISO8859_3 is not set
 # CONFIG_NLS_ISO8859_4 is not set