AOSCOS: staging: sb105x: drop upstream-removed STD_COM_FLAGS

Per commit 5691e03 ("tty: frv, remove unused serial macros"), the
`STD_COM_FLAGS' macro was not used anywhere and was then removed.

Follow this commit and remove the aforementioned macro.

Fixes: "AOSCOS: Revert "staging: sb105x: delete the driver""
Signed-off-by: Mingcong Bai <[email protected]>

Signed-off-by: Kexy Biscuit <[email protected]>

Author: MingcongBai

drivers/staging/sb105x/sb_pci_mp.c

@@ -2808,7 +2808,7 @@ static void __init multi_init_ports(void)
 				osc = 0;
 			for(j=0;j<osc;j++)
 				mtpt->port.uartclk *= 2;
-			mtpt->port.flags    |= STD_COM_FLAGS | UPF_SHARE_IRQ ;
+			mtpt->port.flags    |= UPF_SHARE_IRQ ;
 			mtpt->port.iotype   = UPIO_PORT;
 			mtpt->port.ops      = &multi_pops;