Revert "[media] [PATH,1/2] mxl5007 move reset to attach"

This patch was applied by mistake. Michael thinks that it
it needs more work than simply moving the soft reset.

So, it should be held back for further review.

This reverts commit 0a3237704dec476be3cdfbe8fc9df9cc65b14442.

Requested by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>