build: xtensa-build-zephyr.py: remove Intel ehl target

Remove the Intel EHL platform from list of aliases. This platform
is supported from old stable-v2.2 branch and upgrade to IPC4 is
not planned.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>

Author: kv2019i

scripts/xtensa-build-zephyr.py

@@ -138,7 +138,7 @@ class PlatformConfig:
 		f"RG-2017.8{xtensa_tools_version_postfix}",
 		"cavs2x_LX6HiFi3_2017_8",
 		"xcc",
-		aliases = ['adl', 'adl-n', 'ehl', 'rpl'],
+		aliases = ['adl', 'adl-n', 'rpl'],
 		ipc4 = True
 	),
 	"tgl-h" : PlatformConfig(