hw/openrisc/Makefile.objs: Create CONFIG_* for openrisc

Add the new configs to default-configs/or1k-sofmmu.mak.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190202072456.6468-25-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

default-configs/or1k-softmmu.mak

@@ -3,3 +3,4 @@
 CONFIG_SERIAL=y
 CONFIG_OPENCORES_ETH=y
 CONFIG_OMPIC=y
+CONFIG_OR1K_SIM=y

hw/openrisc/Makefile.objs

@@ -1,2 +1,2 @@
 obj-y = pic_cpu.o cputimer.o
-obj-y += openrisc_sim.o 
+obj-$(CONFIG_OR1K_SIM) += openrisc_sim.o