Fix Linux priority and band for TOS==0x2 (man 8 tc-prio)

Due to commit 4a2b9c3(in Linux kernel) Linux priority(skb->priority)
changed for TOS==0x2
Signed-off-by: Sergey V. Lobanov <sergey@lobanov.in>

man/man8/tc-prio.8

@@ -106,7 +106,7 @@ see in the first column of this table:
 TOS     Bits  Means                    Linux Priority    Band
 ------------------------------------------------------------
 0x0     0     Normal Service           0 Best Effort     1
-0x2     1     Minimize Monetary Cost   1 Filler          2
+0x2     1     Minimize Monetary Cost   0 Best Effort     1
 0x4     2     Maximize Reliability     0 Best Effort     1
 0x6     3     mmc+mr                   0 Best Effort     1
 0x8     4     Maximize Throughput      2 Bulk            2