char: xilinx_hwicap: Fix typo in comment and extend it
char: xilinx_hwicap: Fix typo in comment and extend it

s/regsiter/register/

Use origin comment from the first driver version
which also explain the usage of XHI_MAX_RETRIES better.

Signed-off-by: Michal Simek <3a191dd2be46e826fee926d532b136ed65cb5318@monstr.eu>
Signed-off-by: Michal Simek <b20e59da6aeb5cea6c82b021069d69f63616c55d@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs