menuconfig: fix search
menuconfig: fix search

The recent refactoring in general.py that moved functions to data.py
missed a few calls in menuconfig.

Change-Id: I9d1d49301ba06fa4cb624e7288840e20c99602fb
Signed-off-by: David Kilroy <159cd46f289d7961b38b0171b53c05be4aaef0b6@arm.com>

ARM-software/bob-build,ARM-software/bob-build,ARM-software/bob-build,ARM-software/bob-build,ARM-software/bob-build