build-gem5: use arm-linux-gnueabihf- to match build -D

Author: cirosantilli

README.adoc

@@ -398,7 +398,7 @@ For example, to do a <<qemu-buildroot-setup>> inside Docker, run:
 ....
 sudo apt-get install docker
 ./run-docker create && \
-./run-docker sh -- ./build --download-dependencies
+./run-docker sh -- ./build --download-dependencies qemu-buildroot
 ./run-docker sh
 ....
 

build-gem5

@@ -69,6 +69,7 @@ class Gem5Component(common.Component):
             common.run_cmd([
                 'make', common.Newline,
                 '-C', bootloader32_dir, common.Newline,
+                'CROSS_COMPILE=arm-linux-gnueabihf-', common.Newline,
             ])
             # bootloader
             common.cp(os.path.join(bootloader32_dir, 'boot_emm.arm'), binaries_dir)