target, flash: utility for riscv repeat_read command

Imported non-riscv part from
https://github.com/riscv-collab/riscv-openocd/pull/510
developed by Tim Newsome <tim@sifive.com>

Introduce target_handle_md_output() parameter include_address.
All callers set it true but riscv repeat_read command.

Change-Id: I67b5aad15a33ad149d4047998b22407cb60098fd
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: https://review.openocd.org/c/openocd/+/9127
Tested-by: jenkins
Reviewed-by: Evgeniy Naydanov <evgeniy.naydanov@syntacore.com>

src/flash/nor/tcl.c

@@ -720,7 +720,8 @@ COMMAND_HANDLER(handle_flash_md_command)
 
 	retval = flash_driver_read(bank, buffer, offset, sizebytes);
 	if (retval == ERROR_OK)
-		target_handle_md_output(CMD, target, address, wordsize, count, buffer);
+		target_handle_md_output(CMD, target, address, wordsize, count,
+				buffer, true);
 
 	free(buffer);