net: mvpp2: increase the number of s/w threads to 9

This patch sets the number of s/w threads to 9, its maximum value,
instead of 8. This is not a fix as only 4 of the s/w threads were used
so far, but more could be used in the future.
Signed-off-by: NAntoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/mvpp2/mvpp2.h

@@ -662,7 +662,7 @@ enum mvpp2_prs_l3_cast {
 #define MVPP21_ADDR_SPACE_SZ		0
 #define MVPP22_ADDR_SPACE_SZ		SZ_64K
 
-#define MVPP2_MAX_THREADS		8
+#define MVPP2_MAX_THREADS		9
 #define MVPP2_MAX_QVECS			MVPP2_MAX_THREADS
 
 /* GMAC MIB Counters register definitions */