tools/mkimage: pass --static via PKG_CONFIG_EXTRAARGS

Remove the then unnecessary patch doing exactly that individually.

See also 09465d80 "u-boot.mk: always link host libraries static".

Signed-off-by: Andre Heider <a.heider@gmail.com>

tools/mkimage/Makefile

@@ -32,6 +32,7 @@ define Host/Compile
 	$(MAKE) -C $(HOST_BUILD_DIR) \
 		HOSTCFLAGS="$(HOST_CFLAGS)" \
 		HOSTLDFLAGS="$(HOST_LDFLAGS)" \
+		PKG_CONFIG_EXTRAARGS="--static" \
 		no-dot-config-targets=tools-only \
 		CONFIG_MKIMAGE_DTC_PATH=dtc \
 		CONFIG_FIT=y \

tools/mkimage/patches/210-link-libcrypto-static.patch

@@ -1,14 +0,0 @@
-OpenWrt links the libressl statically against mkimage, make sure all the 
-needed dependencies are added too.
-
---- a/tools/Makefile
-+++ b/tools/Makefile
-@@ -158,7 +158,7 @@ ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CON
- HOSTCFLAGS_kwbimage.o += \
- 	$(shell pkg-config --cflags libssl libcrypto 2> /dev/null || echo "")
- HOSTLDLIBS_mkimage += \
--	$(shell pkg-config --libs libssl libcrypto 2> /dev/null || echo "-lssl -lcrypto")
-+	$(shell pkg-config --libs --static libssl libcrypto 2> /dev/null || echo "-lssl -lcrypto")
- 
- # OS X deprecate openssl in favour of CommonCrypto, supress deprecation
- # warnings on those systems