Remove CONFIG_SERIAL_MULTI

This symbol has been functionally dead for a long time.  Remove the last
and recent re-introductions of setting it, and update the whitelist so
it will not be re-introduced again.

Signed-off-by: Tom Rini <trini@konsulko.com>

arch/arm/include/asm/arch-bcmcygnus/configs.h

@@ -17,7 +17,6 @@
 
 #define CONFIG_SYS_NS16550_CLK		100000000
 #define CONFIG_SYS_NS16550_CLK_DIV	54
-#define CONFIG_SERIAL_MULTI
 #define CONFIG_SYS_NS16550_COM3		0x18023000
 
 /* Ethernet */

include/configs/p2571.h

@@ -15,7 +15,6 @@
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA P2571"
 
 /* Board-specific serial config */
-#define CONFIG_SERIAL_MULTI
 #define CONFIG_TEGRA_ENABLE_UARTA
 
 /* Environment in eMMC, at the end of 2nd "boot sector" */

include/configs/synquacer.h

@@ -33,7 +33,6 @@
 
 /* Serial (pl011)       */
 #define UART_CLK			(62500000)
-#define CONFIG_SERIAL_MULTI
 #define CONFIG_PL011_CLOCK		UART_CLK
 #define CONFIG_PL01x_PORTS		{(void *)(0x2a400000)}
 

scripts/config_whitelist.txt

@@ -1075,7 +1075,6 @@ CONFIG_SEC_FW_SIZE
 CONFIG_SERIAL_BOOT
 CONFIG_SERIAL_FLASH
 CONFIG_SERIAL_HW_FLOW_CONTROL
-CONFIG_SERIAL_MULTI
 CONFIG_SERIAL_SOFTWARE_FIFO
 CONFIG_SERIRQ_CONTINUOUS_MODE
 CONFIG_SERVERIP