utils: fix install prefix for getconf

So we don't get /usr/usr/bin/getconf when DEVEL_PREFIX="/usr"

Signed-off-by: Natanael Copa <natanael.copa@gmail.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

utils/Makefile.in

@@ -117,7 +117,7 @@ install-y += utils_install
 # This installs both utils and hostutils, so doesn't depend on either.
 
 utils_install: $(addsuffix $(DOTHOST), $(utils_OBJ) $(utils_LOCALE_OBJ))
-	$(Q)$(INSTALL) -D -m 755 $(utils_OUT)/getconf$(DOTHOST) $(PREFIX)$(DEVEL_PREFIX)usr/bin/getconf
+	$(Q)$(INSTALL) -D -m 755 $(utils_OUT)/getconf$(DOTHOST) $(PREFIX)$(DEVEL_PREFIX)bin/getconf
 ifeq ($(HAVE_SHARED),y)
 	$(Q)$(INSTALL) -D -m 755 $(utils_OUT)/ldd$(DOTHOST) $(PREFIX)$(DEVEL_PREFIX)bin/ldd
 	$(Q)$(INSTALL) -D -m 755 $(utils_OUT)/ldconfig$(DOTHOST) $(PREFIX)$(RUNTIME_PREFIX)sbin/ldconfig