ARM: imx: Kconfig: Fix grammar in help text

Use "This enables" in the Kconfig help text to fix grammar.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/mach-imx/Kconfig

@@ -636,7 +636,7 @@ config SOC_VF610
 	select PL310_ERRATA_769419 if CACHE_L2X0
 
 	help
-	  This enable support for Freescale Vybrid VF610 processor.
+	  This enables support for Freescale Vybrid VF610 processor.
 
 choice
 	prompt "Clocksource for scheduler clock"
@@ -666,7 +666,7 @@ config SOC_LS1021A
 	select ZONE_DMA if ARM_LPAE
 
 	help
-	  This enable support for Freescale LS1021A processor.
+	  This enables support for Freescale LS1021A processor.
 
 endif