mkimage: cross compile fix: pass HOST_*FLAGS in to uboot's makefile

The HOST_*FLAGS are for compiling programs which will run on the machine that is
running the build.  Setting these flags is frequently required for unusual
cross-compiles.

Signed-off-by: Lawrence D'Anna <larry@elder-gods.org>

SVN-Revision: 46424

tools/mkimage/Makefile

@@ -31,8 +31,8 @@ define Host/Prepare
 endef
 
 define Host/Compile
-	$(MAKE) -C $(HOST_BUILD_DIR) defconfig
-	$(MAKE) -C $(HOST_BUILD_DIR) tools-only
+	$(MAKE) -C $(HOST_BUILD_DIR) defconfig   HOSTCFLAGS="$(HOST_CPPFLAGS) $(HOST_CFLAGS)" HOSTLDFLAGS="$(HOST_LDFLAGS)"
+	$(MAKE) -C $(HOST_BUILD_DIR) tools-only  HOSTCFLAGS="$(HOST_CPPFLAGS) $(HOST_CFLAGS)" HOSTLDFLAGS="$(HOST_LDFLAGS)"
 endef
 
 define Host/Install