sf: probe: Add support for GD25* flash parts

Added GD25* parts are which are avilable in spi_flash_probe_legacy.c.

Updated the sector_size attributes as per the flash parts.
Looks fine for with this sector_size for computing the size
of flash.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

drivers/mtd/spi/spi_flash_probe.c

@@ -40,6 +40,10 @@ static const struct spi_flash_params spi_flash_params_table[] = {
 	{"EN25Q32B",		0x1c3016, 0x0,	   64 * 1024,	  64},
 	{"EN25Q128B",		0x1c3018, 0x0,     64 * 1024,	 256},
 #endif
+#ifdef CONFIG_SPI_FLASH_GIGADEVICE	/* GIGADEVICE */
+	{"GD25Q64B",		0xc84017, 0x0,	   64 * 1024,	 128},
+	{"GD25LQ32",		0xc86016, 0x0,	   64 * 1024,	  64},
+#endif
 #ifdef CONFIG_SPI_FLASH_STMICRO		/* STMICRO */
 	{"M25P10",		0x202011, 0x0,     32 * 1024,	   4},
 	{"M25P20",		0x202012, 0x0,     64 * 1024,	   4},
@@ -65,7 +69,6 @@ static const struct spi_flash_params spi_flash_params_table[] = {
 	/*
 	 * TODO:
 	 * ATMEL
-	 * GIGADEVICE
 	 * MACRONIX
 	 * RAMTRON
 	 * SPANSION