Fix printk types in SPI flash drivers

- use %zu instead of %zd for size_t (%zd is for ssize_t)
- use %x instead of %lx for u32
- break some long lines to avoid commit hook trouble

Change-Id: Idfad716523dbcd2a595d26317240e972b5253e8b
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1041
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/drivers/spi/eon.c

@@ -86,7 +86,7 @@ static int eon_write(struct spi_flash *flash,
 		cmd[3] = byte_addr;
 
 		printk(BIOS_SPEW,
-		    "PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zd\n",
+		    "PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu\n",
 		     buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
 
 		ret = spi_flash_cmd(flash->spi, CMD_EN25Q128_WREN, NULL, 0);