This patch fixes the following Ecc reported error: No used module files found The source files [ArmPkg/Library/SemihostLib/SemihostPrivate.h] is existing in module ArmPkg/Library/SemihostLib/SemihostLib.inf but is not described in the INF file. Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>