Fixed building of ifdtool and nvramtool

package/coreboot/ifdtool/ifdtool.mk

@@ -10,10 +10,9 @@ IFDTOOL_SITE_METHOD = local
 IFDTOOL_LICENSE = GPLv2
 IFDTOOL_LICENSE_FILES = COPYING
 IFDTOOL_CFLAGS = $(TARGET_CFLAGS) -I$(@D)
-IFDTOOL_CXXFLAGS = $(TARGET_CXXFLAGS) -I$(@D)
 
 define IFDTOOL_BUILD_CMDS
-   $(MAKE) $(TARGET_CONFIGURE_OPTS) HOSTCC="$(TARGET_CC)" CXXFLAGS="$(IFDTOOL_CXXFLAGS)" CFLAGS="$(IFDTOOL_CFLAGS)" -C $(@D)
+	$(TARGET_CONFIGURE_OPTS) $(TARGET_CC) $(@D)/ifdtool.c $(IFDTOOL_CFLAGS) -o $(@D)/ifdtool
 endef
 
 define IFDTOOL_INSTALL_TARGET_CMDS

package/coreboot/nvramtool/nvramtool.mk

@@ -13,7 +13,7 @@ NVRAMTOOL_CFLAGS = $(TARGET_CFLAGS) -I$(@D)
 NVRAMTOOL_CXXFLAGS = $(TARGET_CXXFLAGS) -I$(@D)
 
 define NVRAMTOOL_BUILD_CMDS
-   $(MAKE) $(TARGET_CONFIGURE_OPTS) HOSTCC="$(TARGET_CC)" CXXFLAGS="$(NVRAMTOOL_CXXFLAGS)" CFLAGS="$(NVRAMTOOL_CFLAGS)" -C $(@D)
+   $(MAKE) $(TARGET_CONFIGURE_OPTS) HOSTCC="$(TARGET_CC)" CXXFLAGS="$(NVRAMTOOL_CXXFLAGS)" CFLAGS="$(NVRAMTOOL_CFLAGS)" -C $(@D) nvramtool
 endef
 
 define NVRAMTOOL_INSTALL_TARGET_CMDS