qemu_mips: Update linux bootm to support dynamic cmdline

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/lib_mips/Makefile b/lib_mips/Makefile
index 8176437..7967e58 100644
--- a/lib_mips/Makefile
+++ b/lib_mips/Makefile
@@ -28,7 +28,11 @@
 SOBJS-y	+=
 
 COBJS-y	+= board.o
+ifeq ($(CONFIG_QEMU_MIPS),y)
+COBJS-y	+= bootm_qemu_mips.o
+else
 COBJS-y	+= bootm.o
+endif
 COBJS-y	+= time.o
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)