fix endian subarchs for sh arch
default endianness for sh on linux is little, and while conventions
vary, "eb" seems to be the most widely used suffix for big endian.
diff --git a/configure b/configure
index 38b36d8..1a092f5 100755
--- a/configure
+++ b/configure
@@ -421,8 +421,8 @@
test "$ARCH" = "microblaze" && trycppif __MICROBLAZEEL__ "$t" \
&& SUBARCH=${SUBARCH}el
-test "$ARCH" = "sh" && trycppif __LITTLE_ENDIAN__ "$t" \
-&& SUBARCH=${SUBARCH}el
+test "$ARCH" = "sh" && trycppif __BIG_ENDIAN__ "$t" \
+&& SUBARCH=${SUBARCH}eb
test "$SUBARCH" \
&& printf "configured for %s variant: %s\n" "$ARCH" "$ARCH$SUBARCH"