net: sunhme: Fix undersized zeroing of quattro->happy_meals

Just use kzalloc instead.

Fixes: d6f1e89b ("sunhme: Return an ERR_PTR from quattro_pci_find")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20220928004157.279731-1-seanga2@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>