mtd: fsl-quadspi: Remove unneeded success/error messages

When the driver successfully probe we already have messages like:

[    1.140989] fsl-quadspi 21e4000.qspi: s25fl128s (16384 Kbytes)
[    1.150902] fsl-quadspi 21e4000.qspi: s25fl128s (16384 Kbytes)

Or in case of error:

[    1.175920] fsl-quadspi: probe of 21e4000.qspi failed with error -12

, so remove the unneeded success/error messages.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Acked-by: NHan Xu <han.xu@freescale.com>
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>

drivers/mtd/spi-nor/fsl-quadspi.c

@@ -939,7 +939,6 @@ static int fsl_qspi_probe(struct platform_device *pdev)
 
 	clk_disable(q->clk);
 	clk_disable(q->clk_en);
-	dev_info(dev, "QuadSPI SPI NOR flash driver\n");
 	return 0;
 
 last_init_failed:
@@ -954,7 +953,6 @@ static int fsl_qspi_probe(struct platform_device *pdev)
 clk_failed:
 	clk_disable_unprepare(q->clk_en);
 map_failed:
-	dev_err(dev, "Freescale QuadSPI probe failed\n");
 	return ret;
 }