microblaze: Adjust Linux items from microblazeeb to microblaze

Due to recent changes to the tune, in order to match config.guess, the name
of the big-endian microblaze architecture was changes to 'microblaze'.

(From OE-Core rev: 6f6a6bbac684ead3fe6d070d61f17c2f611a2c87)

Signed-off-by: Mark Hatle <mark.hatle@kernel.crashing.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/meson.bbclass

@@ -57,7 +57,7 @@ def meson_cpu_family(var, d):
         return 'mips64'
     elif re.match(r"i[3-6]86", arch):
         return "x86"
-    elif arch == "microblazeel" or arch == "microblazeeb":
+    elif arch == "microblazeel":
         return "microblaze"
     else:
         return arch