tools/mkkconfig: sort apps in menuconfig
tools/mkkconfig: sort apps in menuconfig

When searching for Kconfig in apps with the find command, it was not
output in numerical order. It is a patch that sort only the output
results.

Change-Id: I3b0822735a633de329dcb7ff16c95c33115dedd9
Signed-off-by: Junhwan Park <7fee488b6f78fc50b291ffc7d10428788977e877@samsung.com>

JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT