motorola_powerpc/bsp_specs: Reorder and improve consistency

Updates #3520.

c/src/lib/libbsp/powerpc/motorola_powerpc/bsp_specs

@@ -7,8 +7,8 @@
 %{!nostdlib: %{qrtems: ecrti%O%s rtems_crti%O%s crtbegin.o%s \
   vectors_entry%O%s start.o%s -e __rtems_entry_point -u __vectors}}
 
-*link:
-%{!qrtems: %(old_link)} %{qrtems: -dp -Bstatic}
-
 *endfile:
 %{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s ecrtn.o%s}
+
+*link:
+%{!qrtems: %(old_link)} %{qrtems: -dp -Bstatic}