arm: fixup hard tabs

arm: fixup hard tabs

Unfortunately the tool I was using to apply patches mangles hard tabs. This
patch corrects this in the effected files (which is fortunately only a subset
of .S or files imported from Linux).

This commit fixes this error such that the tree represents the state it would
have been in had I correctly committed what I was sent.

"git diff" and "git diff -b" vs. Stefano's v6 branch now contain the same
output -- i.e. only the intervening development

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>