rootfs: trixie-ltp: build ltp with libcap-dev

LTP needs to compiled with libcap-dev, so that capability tests
will be run.

Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>

Author: vigneshraman

config/rootfs/debos/scripts/trixie-ltp.sh

@@ -22,6 +22,7 @@ BUILD_DEPS="\
     flex \
     m4 \
     libc6-dev \
+    libcap-dev \
     libnuma-dev \
 "