platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resou...

platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource()

Local variable 'p' is initialized by an address
of field of acpi_resource structure, so it does
not make sense to compare 'p' with NULL.

Local variable 'io' is initialized by an address
of field of acpi_resource structure, so it does
not make sense to compare 'io' with NULL.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Andrey Strachuk <strochuk@ispras.ru>
Link: https://lore.kernel.org/r/20220719110341.7239-1-strochuk@ispras.ru
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>