octeontx2-af: Initialize 'cntr_val' to fix uninitialized symbol error

octeontx2-af: Initialize 'cntr_val' to fix uninitialized symbol error

commit 222a6c42e9ef131fd20463bf95d7ce7b39bee2f8 upstream.

drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c:860
otx2_tc_update_mcam_table_del_req()
error: uninitialized symbol 'cntr_val'.

Fixes: ec87f05402f5 ("octeontx2-af: Install TC filter rules in hardware based on priority")
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Link: https://lore.kernel.org/r/20230727163101.2793453-1-sumang@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>