Revert "remoteproc: stm32: fix phys_addr_t format string"

This reverts commit 5148026b which is
commit 3e25e407 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: I3f103fd05d2a7aeb35665162aa2f10d021d01cc0
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>