lib: utils/serial: Generate FDT serial driver list at compile-time

Instead of having FDT serial driver list hard-coded in the C source,
we generate it using carray.sh at compile-time.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>

lib/utils/serial/objects.mk

@@ -8,13 +8,29 @@
 #
 
 libsbiutils-objs-y += serial/fdt_serial.o
+libsbiutils-objs-y += serial/fdt_serial_drivers.o
+
+carray-fdt_serial_drivers-y += fdt_serial_gaisler
 libsbiutils-objs-y += serial/fdt_serial_gaisler.o
+
+carray-fdt_serial_drivers-y += fdt_serial_htif
 libsbiutils-objs-y += serial/fdt_serial_htif.o
+
+carray-fdt_serial_drivers-y += fdt_serial_shakti
 libsbiutils-objs-y += serial/fdt_serial_shakti.o
+
+carray-fdt_serial_drivers-y += fdt_serial_sifive
 libsbiutils-objs-y += serial/fdt_serial_sifive.o
+
+carray-fdt_serial_drivers-y += fdt_serial_litex
 libsbiutils-objs-y += serial/fdt_serial_litex.o
+
+carray-fdt_serial_drivers-y += fdt_serial_uart8250
 libsbiutils-objs-y += serial/fdt_serial_uart8250.o
+
+carray-fdt_serial_drivers-y += fdt_serial_xlnx_uartlite
 libsbiutils-objs-y += serial/fdt_serial_xlnx_uartlite.o
+
 libsbiutils-objs-y += serial/gaisler-uart.o
 libsbiutils-objs-y += serial/shakti-uart.o
 libsbiutils-objs-y += serial/sifive-uart.o