qca-wifi: CFR: Change streamfs directory path

Streamfs implementation is moved to cmn_dev since both WIN/MCL
need it for CFR. In QAL layer, parent directory was NULL,
whereas in qdf layer, parent directory is "qdf".

This change modifies the streamfs directory path used by CFR
userspace app.

Change-Id: I5d235dab66344e3baa8d9fac7ad2f12e2b9f13ea

tools/linux/cfr_test_app.c

@@ -39,7 +39,7 @@
 #include <time.h>
 #include <signal.h>
 
-#define CFR_DUMP_STREAMFS_FILE "/sys/kernel/debug/cfr%s/cfr_dump0"
+#define CFR_DUMP_STREAMFS_FILE "/sys/kernel/debug/qdf/cfr%s/cfr_dump0"
 #define CFR_DUMP_FILE "/tmp/cfr_dump_%s.bin"
 
 #define MAX_FILE_SIZE          (8 * 1024 * 1024)