sim: msp430: move arch-specific file compilation to top-level

sim/Makefile.in

@@ -5351,9 +5351,6 @@ testsuite/common/bits64m63.c: testsuite/common/bits-gen$(EXEEXT) testsuite/commo
 @SIM_ENABLE_ARCH_moxie_TRUE@	fi
 @SIM_ENABLE_ARCH_msp430_TRUE@$(msp430_libsim_a_OBJECTS) $(msp430_libsim_a_LIBADD): msp430/hw-config.h
 
-@SIM_ENABLE_ARCH_msp430_TRUE@msp430/%.o: msp430/%.c
-@SIM_ENABLE_ARCH_msp430_TRUE@	$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F)
-
 @SIM_ENABLE_ARCH_msp430_TRUE@msp430/%.o: common/%.c
 @SIM_ENABLE_ARCH_msp430_TRUE@	$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F)
 @SIM_ENABLE_ARCH_or1k_TRUE@$(or1k_libsim_a_OBJECTS) $(or1k_libsim_a_LIBADD): or1k/hw-config.h

sim/msp430/local.mk

@@ -28,9 +28,6 @@ $(%C%_libsim_a_OBJECTS) $(%C%_libsim_a_LIBADD): %D%/hw-config.h
 
 noinst_LIBRARIES += %D%/libsim.a
 
-%D%/%.o: %D%/%.c
-	$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F)
-
 %D%/%.o: common/%.c
 	$(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F)