coreboot_tables: Drop uart PCI addr

Only edk2 used this to fill in a different struct but even there the
entries go unused, so removing this struct element from coreboot has
no side effects.

Change-Id: Iadd2678c4e01d30471eac43017392d256adda341
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68767
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Bill XIE <persmule@hardenedlinux.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>

src/drivers/uart/Kconfig

@@ -75,14 +75,3 @@ config UART_USE_REFCLK_AS_INPUT_CLOCK
 	default n
 	help
 	  Use uart_platform_refclk to specify the input clock value.
-
-config UART_PCI_ADDR
-	hex "UART's PCI bus, device, function address"
-	default 0x0
-	help
-	  Specify zero if the UART is connected to another bus type.
-	  For PCI based UARTs, build the value as:
-	  * 1 << 31 - Valid bit, PCI UART in use
-	  * Bus << 20
-	  * Device << 15
-	  * Function << 12

src/drivers/uart/pl011.c

@@ -43,7 +43,6 @@ void uart_fill_lb(void *data)
 	serial.baud = get_uart_baudrate();
 	serial.regwidth = 1;
 	serial.input_hertz = uart_platform_refclk();
-	serial.uart_pci_addr = CONFIG_UART_PCI_ADDR;
 	lb_add_serial(&serial, data);
 
 	lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);

src/drivers/uart/uart8250io.c

@@ -114,7 +114,6 @@ void uart_fill_lb(void *data)
 	serial.baud = get_uart_baudrate();
 	serial.regwidth = 1;
 	serial.input_hertz = uart_platform_refclk();
-	serial.uart_pci_addr = CONFIG_UART_PCI_ADDR;
 	lb_add_serial(&serial, data);
 
 	lb_add_console(LB_TAG_CONSOLE_SERIAL8250, data);

src/drivers/uart/uart8250mem.c

@@ -146,7 +146,6 @@ void uart_fill_lb(void *data)
 	else
 		serial.regwidth = sizeof(uint8_t);
 	serial.input_hertz = uart_platform_refclk();
-	serial.uart_pci_addr = CONFIG_UART_PCI_ADDR;
 	lb_add_serial(&serial, data);
 
 	lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);