optee-os.mk: override default PATH to not use hostpkg python

In some cases hostpkg python from packages feed is used (hostpkg has higher
priority in PATH) which causes build failure (cryptography module is
missing). So override PATH to not use hostpkg python.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://github.com/openwrt/openwrt/pull/18102
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

include/optee-os.mk

@@ -85,7 +85,7 @@ endef
 
 define Build/Compile/Optee-os
 	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
-		PATH=$(LINUX_DIR)/scripts/dtc/:$(PATH) \
+		PATH=$(LINUX_DIR)/scripts/dtc/:$(STAGING_DIR_HOST)/bin:$(PATH) \
 		CROSS_COMPILE=$(TARGET_CROSS) \
 		CROSS_COMPILE_core="$(TARGET_CROSS)" \
 		CROSS_COMPILE_ta_arm64="$(TARGET_CROSS)" \