Fix CHERIoT-LLVM objcopy wrapper.

Bypass-Presubmit-Reason: no flow uses the wrapper

Change-Id: I970406b57dae12517ad7744c7c23cf31f9702a5e
diff --git a/toolchains/cheri_llvm/wrappers/objcopy b/toolchains/cheri_llvm/wrappers/objcopy
deleted file mode 120000
index da2bdd9..0000000
--- a/toolchains/cheri_llvm/wrappers/objcopy
+++ /dev/null
@@ -1 +0,0 @@
-driver.sh
\ No newline at end of file
diff --git a/toolchains/cheri_llvm/wrappers/objcopy b/toolchains/cheri_llvm/wrappers/objcopy
new file mode 100755
index 0000000..79ec8cb
--- /dev/null
+++ b/toolchains/cheri_llvm/wrappers/objcopy
@@ -0,0 +1,12 @@
+#!/bin/bash --norc
+
+TOOLCHAIN="cheriot-llvm"
+VERSION="13.0.0"
+
+ARGS=()
+POSTARGS=()
+
+exec "external/${TOOLCHAIN}/bin/llvm-objcopy" \
+    "${ARGS[@]}" \
+    "$@"\
+    "${POSTARGS[@]}"