Revert "i3c: master: svc: use slow speed for first broadcast address"

This reverts commit 9530ad77 which is
commit 20ade67b upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I90ef4cfc92da57f38f44f60ba53bc0e948e98e31
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>