mtd: fix bogus inequation

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 4cdb2af..6cc5a1a 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -97,7 +97,7 @@
 	  doesn't support the JEDEC ID instruction.
 
 config M25PXX_USE_FAST_READ
-	bool "Use FAST_READ OPCode allowing SPI CLK <= 50MHz"
+	bool "Use FAST_READ OPCode allowing SPI CLK >= 50MHz"
 	depends on MTD_M25P80
 	default y
 	help