am335x-pru-package: use $(TARGET_MAKE_ENV) when calling $(MAKE)

Signed-off-by: Gustavo Zacarias <gustavo.zacarias@free-electrons.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/am335x-pru-package/am335x-pru-package.mk

@@ -19,19 +19,19 @@ AM335X_MAKE_TARGET = release $(if $(BR2_STATIC_LIBS),,sorelease)
 endif
 
 define AM335X_PRU_PACKAGE_BUILD_CMDS
-	$(MAKE) CROSS_COMPILE="$(TARGET_CROSS)" \
+	$(TARGET_MAKE_ENV) $(MAKE) CROSS_COMPILE="$(TARGET_CROSS)" \
 		-C $(@D)/pru_sw/app_loader/interface $(AM335X_MAKE_TARGET)
 endef
 
 # 'install' installs whatever was built, and our patch removes the dependency
 # on the release build, so we can use it to install whatever we built above.
 define AM335X_PRU_PACKAGE_INSTALL_STAGING_CMDS
-	$(MAKE1) DESTDIR="$(STAGING_DIR)" PREFIX="/usr" \
+	$(TARGET_MAKE_ENV) $(MAKE1) DESTDIR="$(STAGING_DIR)" PREFIX="/usr" \
 		-C $(@D)/pru_sw/app_loader/interface install
 endef
 
 define AM335X_PRU_PACKAGE_INSTALL_TARGET_CMDS
-	$(MAKE1) DESTDIR="$(TARGET_DIR)" PREFIX="/usr" \
+	$(TARGET_MAKE_ENV) $(MAKE1) DESTDIR="$(TARGET_DIR)" PREFIX="/usr" \
 		-C $(@D)/pru_sw/app_loader/interface install
 endef