arch-arm: Fixed SVE memory instructions with SP as base register

makeSP statements were missing for some SVE memory instructions, which
resulted in reading the wrong value for SP and thus using a wrong address for
the access, and likely getting a page fault

Change-Id: Iec76d74ce54d6713c71fb6839c7d2b233df000e6
Signed-off-by: Pau Cabre <pau.cabre@metempsy.com>