+ enabled compilation of unit iso7185 for the PS1 target

rtl/ps1/Makefile

@@ -923,7 +923,7 @@ ifdef NO_EXCEPTIONS_IN_SYSTEM
 override FPCOPT+=-dNO_EXCEPTIONS_IN_SYSTEM
 endif
 ifeq ($(CPU_OS_TARGET),mipsel-ps1)
-override TARGET_UNITS+=$(SYSTEMUNIT) $(OBJPASUNIT) $(FPINTRESUNIT) libstd libetc libgpu libgte
+override TARGET_UNITS+=$(SYSTEMUNIT) $(OBJPASUNIT) $(FPINTRESUNIT) $(ISO7185UNIT) libstd libetc libgpu libgte
 endif
 override INSTALL_FPCPACKAGE=y y
 ifeq ($(CPU_OS_TARGET),mipsel-ps1)

rtl/ps1/Makefile.fpc

@@ -5,7 +5,8 @@
 main=rtl
 [target]
 loaders=
-units=$(SYSTEMUNIT) $(OBJPASUNIT) $(FPINTRESUNIT) libstd libetc libgpu libgte
+units=$(SYSTEMUNIT) $(OBJPASUNIT) $(FPINTRESUNIT) $(ISO7185UNIT) \
+  libstd libetc libgpu libgte
 
 [require]
 nortl=y