package/micropython: adjust name in description

Change the name from "Micro Python" (two words) to "MicroPython"
(camelcase), to match the official website and documentation.

Signed-off-by: J. Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 161c25aee11650a4a6b22ca2a88fa0f84ee6b357)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/micropython/Config.in

@@ -3,7 +3,7 @@ config BR2_PACKAGE_MICROPYTHON
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on !BR2_STATIC_LIBS
 	help
-	  Micro Python is a lean and fast implementation of the Python
+	  MicroPython is a lean and fast implementation of the Python
 	  3 programming language that is optimised to run on a
 	  microcontroller.