nand: change use_raw to boolean

Change type of use_raw to boolean. This parameter was already
assigned a boolean variable (in COMMAND_PARSE_ENABLE) and used
as a boolean.

Change-Id: I22f8308246cb25ec9ec2395599e406160410a2a8
Signed-off-by: Ivo Manca <pinkel@gmail.com>
Reviewed-on: http://openocd.zylin.com/3496


Reviewed-by: Andreas Färber <afaerber@suse.de>
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>

src/flash/nand/core.h

@@ -68,7 +68,7 @@ struct nand_device {
 	int address_cycles;
 	int page_size;
 	int erase_size;
-	int use_raw;
+	bool use_raw;
 	int num_blocks;
 	struct nand_block *blocks;
 	struct nand_device *next;

src/flash/nand/tcl.c

@@ -547,7 +547,7 @@ static COMMAND_HELPER(create_nand_device, const char *bank_name,
 	c->bus_width = 0;
 	c->address_cycles = 0;
 	c->page_size = 0;
-	c->use_raw = 0;
+	c->use_raw = false;
 	c->next = NULL;
 
 	retval = CALL_COMMAND_HANDLER(controller->nand_device_command, c);