serial: Rename earlycon semihost driver

Now that earlycon semihost driver works on RISC-V too, let's use a
much more generic name for the driver.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Tested-by: Sergey Matyukevich <sergey.matyukevich@syntacore.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20221209150437.795918-4-bmeng@tinylab.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/Kconfig

@@ -73,17 +73,17 @@ config SERIAL_AMBA_PL011_CONSOLE
 	  your boot loader (lilo or loadlin) about how to pass options to the
 	  kernel at boot time.)
 
-config SERIAL_EARLYCON_ARM_SEMIHOST
-	bool "Early console using ARM semihosting"
+config SERIAL_EARLYCON_SEMIHOST
+	bool "Early console using Arm compatible semihosting"
 	depends on ARM64 || ARM || RISCV
 	select SERIAL_CORE
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_EARLYCON
 	help
-	  Support for early debug console using ARM semihosting. This enables
-	  the console before standard serial driver is probed. This is enabled
-	  with "earlycon=smh" on the kernel command line. The console is
-	  enabled when early_param is processed.
+	  Support for early debug console using Arm compatible semihosting.
+	  This enables the console before standard serial driver is probed.
+	  This is enabled with "earlycon=smh" on the kernel command line.
+	  The console is enabled when early_param is processed.
 
 config SERIAL_EARLYCON_RISCV_SBI
 	bool "Early console using RISC-V SBI"

drivers/tty/serial/Makefile

@@ -6,7 +6,7 @@
 obj-$(CONFIG_SERIAL_CORE) += serial_core.o
 
 obj-$(CONFIG_SERIAL_EARLYCON) += earlycon.o
-obj-$(CONFIG_SERIAL_EARLYCON_ARM_SEMIHOST) += earlycon-arm-semihost.o
+obj-$(CONFIG_SERIAL_EARLYCON_SEMIHOST) += earlycon-semihost.o
 obj-$(CONFIG_SERIAL_EARLYCON_RISCV_SBI) += earlycon-riscv-sbi.o
 
 # These Sparc drivers have to appear before others such as 8250