hostcheck: add mount to the output

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>

.github/kokoro/steps/hostcheck.sh

diff --git a/.github/kokoro/steps/hostcheck.sh b/.github/kokoro/steps/hostcheck.sh
index 8606f52..de37427 100755
--- a/.github/kokoro/steps/hostcheck.sh
+++ b/.github/kokoro/steps/hostcheck.sh
@@ -31,6 +31,11 @@
 
        # Dump debugging information.
        echo "========================================"
+       echo "Mount output"
+       echo "----------------------------------------"
+       mount
+
+       echo "========================================"
        echo "Dmesg dump"
        echo "----------------------------------------"
        dmesg