ARM: rpc: Change blacklist to quirklist in ecode.c file

This is a functionally trivial patch which removes the word
'blacklist' (and variations) from this code and replaces it
with 'quirklist'

It has no other effect.

Link: https://lore.kernel.org/r/20200715024755.967904-1-paul@mawsonlakes.org


Signed-off-by: Paul Schulz <paul@mawsonlakes.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>