keymaster: fix QSEEComAPI lookup path

Drop absolute path from libQSEEComAPI dlopen.

Change-Id: I285b7fa4766bf5350dac69c1f530e9caae3bd844
diff --git a/keymaster_qcom.cpp b/keymaster_qcom.cpp
index 0c66f03..b828f96 100644
--- a/keymaster_qcom.cpp
+++ b/keymaster_qcom.cpp
@@ -677,7 +677,7 @@
 
 static int qcom_km_get_lib_sym(qcom_keymaster_handle_t* km_handle)
 {
-    km_handle->libhandle = dlopen("/system/lib/libQSEEComAPI.so", RTLD_NOW);
+    km_handle->libhandle = dlopen("libQSEEComAPI.so", RTLD_NOW);
     if (  km_handle->libhandle  ) {
         *(void **)(&km_handle->QSEECom_start_app) =
                                dlsym(km_handle->libhandle,"QSEECom_start_app");