Simplify code that extracts a 24x7 counter from the HCALL's result buffer.
Suggested-by: NJoe Perches <joe@perches.com>
Signed-off-by: NSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>