[O2-4323] Fix RHEL9 support in alibuild CLI (#809)

Author: awegrzyn

alibuild_helpers/utilities.py

@@ -150,7 +150,7 @@ def doDetectArch(hasOsRelease, osReleaseLines, platformTuple, platformSystem, pl
   distribution = distribution.lower()
   # If platform.dist does not return something sensible,
   # let's try with /etc/os-release
-  if distribution not in ["ubuntu", "redhat", "centos", "almalinux", "rockylinux"] and hasOsRelease:
+  if distribution not in ["ubuntu", "red hat enterprise linux", "redhat", "centos", "almalinux", "rockylinux"] and hasOsRelease:
     for x in osReleaseLines:
       key, is_prop, val = x.partition("=")
       if not is_prop: