phy: ralink: phy-mt7621-pci: set correct name in MODULE_DEVICE_TABLE macro

Correct name passed into 'MODULE_DEVICE_TABLE' which was wrong and
was showing a warning when the driver is enabled for 'COMPILE_TEST'.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20201201112051.17463-3-sergio.paracuellos@gmail.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>