Clean up libhal configure options

Use saner sed to properly remove unneeded parameters from "configure" var.

Author: earlephilhower

Makefile

@@ -586,12 +586,9 @@ install: .stage.LINUX.install
 	rm -rf $(ARDUINO)
 	git clone https://github.com/$(GHUSER)/Arduino $(ARDUINO)
 	(cd $(ARDUINO) && git checkout $(INSTALLBRANCH) && git submodule init && git submodule update)
-	#echo "-------- Building installable newlib"
-	#rm -rf arena/newlib-install; mkdir -p arena/newlib-install
-	#cd arena/newlib-install; $(call setenv,$@); $(REPODIR)/newlib/configure $(CONFIGURENEWLIBINSTALL); $(MAKE); $(MAKE) install
 	echo "-------- Building installable hal"
 	rm -rf arena/hal-install; mkdir -p arena/hal-install
-	cd arena/hal-install; $(call setenv,$@); $(REPODIR)/lx106-hal/configure --prefix=$(ARDUINO)/tools/sdk/libc --libdir=$(ARDUINO)/tools/sdk/lib --host=xtensa-lx106-elf $$(echo $(call configure,$@) | sed 's/--host=[a-zA-Z0-9_-]*//' | sed 's/--prefix=[a-zA-Z0-9_-]*//')
+	cd arena/hal-install; $(call setenv,$@); $(REPODIR)/lx106-hal/configure --prefix=$(ARDUINO)/tools/sdk/libc --libdir=$(ARDUINO)/tools/sdk/lib --host=xtensa-lx106-elf $$(echo $(call configure,$@) | sed 's/--host=.*\s//' | sed 's/--prefix=.*\s//' | sed 's/--disable-libstdcxx-verbose//' )
 	cd arena/hal-install; $(call setenv,$@); $(MAKE) ; $(MAKE) install
 	echo "-------- Copying GCC libs"
 	#cp $(call install,$@)/lib/gcc/xtensa-lx106-elf/*/libgcc.a  $(ARDUINO)/tools/sdk/lib/.