Fix the docker image build failure

Add a missing library dependency leading to the failure of the GDB installation checks.

Author: Julio Guerra

sdk/Dockerfile

@@ -19,6 +19,7 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
  bzip2 \
  curl \
  make \
+ libncurses5 \
  ca-certificates
 
 # Official distribution of the ARM Toolchain