bpftrace: Do not strip uprobe_test

"runtime:regression" in ptest gets the following FAILED:
| nm: ./testprogs/uprobe_test: no symbols
Keep the debug info of uprobe_test to pass this ptest item.

the steps to repruduce:
$export BPFTRACE_RUNTIME_TEST_EXECUTABLE=/usr/bin
$cd /usr/lib/bpftrace/ptest/tests
$python3 runtime/engine/main.py --filter="regression.*"
***
| [  FAILED  ] regression.address_probe_invalid_expansion
| 	Command: /usr/bin/bpftrace -e "uprobe:./testprogs/uprobe_test:0x$
|           (nm ./testprogs/uprobe_test | awk '$3 == "function1"
|           {print $1}') { @[probe] = count(); exit() }"
| 	Unclean exit code: 1
| 	Output: nm: ./testprogs/uprobe_test: no symbols\nNo probes to attach\n
***

Signed-off-by: Wentao Zhang <wentao.zhang@windriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/dynamic-layers/openembedded-layer/recipes-devtools/bpftrace/bpftrace_0.18.0.bb b/dynamic-layers/openembedded-layer/recipes-devtools/bpftrace/bpftrace_0.18.0.bb
index e560112..8aa8a29 100644
--- a/dynamic-layers/openembedded-layer/recipes-devtools/bpftrace/bpftrace_0.18.0.bb
+++ b/dynamic-layers/openembedded-layer/recipes-devtools/bpftrace/bpftrace_0.18.0.bb
@@ -57,3 +57,7 @@ EXTRA_OECMAKE = " \
 
 COMPATIBLE_HOST = "(x86_64.*|aarch64.*|powerpc64.*|riscv64.*)-linux"
 COMPATIBLE_HOST:libc-musl = "null"
+
+INHIBIT_PACKAGE_STRIP_FILES += "\
+    ${PKGD}${PTEST_PATH}/tests/testprogs/uprobe_test \
+"