drivers: serial: sifive: support SiFive Freedom series SoCs

This patch changes condition of 'depends on' of sifive UART driver
to support other SoCs of SiFive Freedom series.

Signed-off-by: Katsuhiro Suzuki <[email protected]>

Author: katsuster

drivers/serial/Kconfig.sifive

@@ -5,7 +5,7 @@
 
 menuconfig UART_SIFIVE
 	bool "SiFive Freedom serial driver"
-	depends on SOC_RISCV_SIFIVE_FREEDOM
+	depends on SOC_SERIES_RISCV_SIFIVE_FREEDOM
 	select SERIAL_HAS_DRIVER
 	select SERIAL_SUPPORT_INTERRUPT
 	help