Merge branch 'mlimonci/use-am' into 'main'

Use `git am` instead of `b4 shazam`

See merge request kernel-firmware/linux-firmware!40

contrib/process_linux_firmware.py

@@ -172,7 +172,7 @@ def process_patch(mbox, num, remote):
     quiet_cmd(cmd)
 
     # apply the patch
-    cmd = ["b4", "shazam", "-m", "-"]
+    cmd = ["git", "am"]
     logging.debug("Running {}".format(cmd))
     p = subprocess.Popen(
         cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE