x86, platform: Make HP_WIRELESS option text more descriptive

... so that one can know what this option is about without opening the
long help text.

Cc: Matthew Garrett <matthew.garrett@nebula.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

drivers/platform/x86/Kconfig

@@ -196,7 +196,7 @@ config HP_ACCEL
 	  be called hp_accel.
 
 config HP_WIRELESS
-	tristate "HP WIRELESS"
+	tristate "HP wireless button"
 	depends on ACPI
 	depends on INPUT
 	help