vme: ca91cx42: remove redundant variable i

Variable i is being assigned but is never used hence it is redundant
and can be removed.

Cleans up clang warning:
warning: variable 'i' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Martyn Welch <martyn@welchs.me.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>