[POWERPC] CPM_UART: Use inline function form of eieio

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

drivers/serial/cpm_uart/cpm_uart_core.c

@@ -678,7 +678,7 @@ static int cpm_uart_tx_pump(struct uart_port *port)
 		}
 		bdp->cbd_datlen = count;
 		bdp->cbd_sc |= BD_SC_READY;
-		__asm__("eieio");
+		eieio();
 		/* Get next BD. */
 		if (bdp->cbd_sc & BD_SC_WRAP)
 			bdp = pinfo->tx_bd_base;