riscv: Select required drivers for Kendryte SOC

This patch selects drivers required for the Kendryte K210 SOC.
Since K210 SoC based boards do not provide a device tree, this patch
also enables the BUILTIN_DTB option.

Signed-off-by: Damien Le Moal <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Reviewed-by: Palmer Dabbelt <[email protected]>
Signed-off-by: Palmer Dabbelt <[email protected]>

Author: damien-lemoal

arch/riscv/Kconfig.socs

@@ -37,6 +37,10 @@ config SOC_VIRT
 config SOC_KENDRYTE
 	bool "Kendryte K210 SoC"
 	depends on !MMU
+	select BUILTIN_DTB
+	select SERIAL_SIFIVE if TTY
+	select SERIAL_SIFIVE_CONSOLE if TTY
+	select SIFIVE_PLIC
 	help
 	  This enables support for Kendryte K210 SoC platform hardware.