brcm: Add nvram for the Predia Basic tablet

Add a NVRAM file for the brcmfmac43340 wifi/bit chip found on the
predia-basic tablet. This is based on copy of the existing
brcm/brcmfmac43340-sdio.meegopad-t08.txt NVRAM file with some the
calibration values adjusted for the Predia Basic tablet.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>