FIQ routine cache flush fixes
In the HAL case, the 3 args for OS_SynchroniseCodeAreas were being loaded in exactly reverse order, ending up copying immediate #1 to R0+R1+R2. In the non-HAL case, some over-zealous cleanup in ADFS-3_45 had deleted the line label 02 so it no longer assembled. Fixes instruction abort seen when copying from floppy to Econet filestore.