iwlwifi: yoyo: dump IMR DRAM only for HW and FW error

Support debug collection of the platform IMR memory region
only for HW and FW error. This region needs to be collected
as the last region.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220304131517.5b70e5ba9a41.I502f9b6179b97b163992729edd2b3c5c4ca9e311@changeid


Signed-off-by: Luca Coelho <luciano.coelho@intel.com>