package/qemu: correct help menu spelling error

This patch corrects the spelling of 'Xilinx' in the help menu for the
qemu package.

Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/qemu/Config.in

@@ -211,13 +211,13 @@ config BR2_PACKAGE_QEMU_TARGET_MICROBLAZE
 	bool "microblaze"
 	select BR2_PACKAGE_QEMU_FDT if BR2_PACKAGE_QEMU_SYSTEM
 	help
-	  Xilinix MicroBlaze soft processor.
+	  Xilinx MicroBlaze soft processor.
 
 config BR2_PACKAGE_QEMU_TARGET_MICROBLAZEEL
 	bool "microblazeel"
 	select BR2_PACKAGE_QEMU_FDT if BR2_PACKAGE_QEMU_SYSTEM
 	help
-	  Xilinix MicroBlaze EL soft processor.
+	  Xilinx MicroBlaze EL soft processor.
 
 config BR2_PACKAGE_QEMU_TARGET_MIPS
 	bool "mips"