There are two words that need separating with a space in a pm8001_dbg()
message. Fix it.

Link: https://lore.kernel.org/r/20201124093828.307709-1-colin.king@canonical.comReviewed-by: NEwan D. Milne <emilne@redhat.com>
Acked-by: NJack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>