selftests: net: Correct couple of spelling mistakes

Changes :
	- "excercise" is corrected to "exercise" in drivers/net/mlxsw/spectrum-2/tc_flower.sh
	- "mutliple" is corrected to "multiple" in drivers/net/netdevsim/ethtool-fec.sh
Signed-off-by: Prabhav Kumar Vaish <pvkumar5749404@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240228120701.422264-1-pvkumar5749404@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh

@@ -869,7 +869,7 @@ bloom_simple_test()
 bloom_complex_test()
 {
 	# Bloom filter index computation is affected from region ID, eRP
-	# ID and from the region key size. In order to excercise those parts
+	# ID and from the region key size. In order to exercise those parts
 	# of the Bloom filter code, use a series of regions, each with a
 	# different key size and send packet that should hit all of them.
 	local index

tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh

@@ -49,7 +49,7 @@ for o in llrs rs; do
 Active FEC encoding: ${o^^}"
 done
 
-# Test mutliple bits
+# Test multiple bits
 $ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs
 check $?
 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)