fix musl mipsel sf ld.so link

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>

package/musl/Makefile

@@ -53,9 +53,13 @@ MARCH:=			sheb
 endif
 ifeq ($(ADK_TARGET_ARCH_MIPS),y)
 ifeq ($(ADK_TARGET_SOFT_FLOAT),y)
+ifeq ($(ADK_TARGET_LITTLE_ENDIAN),y)
+MARCH:=			mipsel-sf
+else
 MARCH:=			mips-sf
 endif
 endif
+endif
 ifeq ($(ADK_TARGET_ARCH_MIPS64),y)
 ifeq ($(ADK_TARGET_ABI_N32),y)
 ifeq ($(ADK_TARGET_LITTLE_ENDIAN),y)