powerstats: Modify file path for nfc devices

Bug: 188084950
Test: dumpsys android.hardware.power.stats.IPowerStats/default

Signed-off-by: Manish Varma <varmam@google.com>
Change-Id: Ib0a937499b7192a2a93caa03003c52b9460ea51e
diff --git a/powerstats/raven/service.cpp b/powerstats/raven/service.cpp
index 4224c1f..6ee27d8 100644
--- a/powerstats/raven/service.cpp
+++ b/powerstats/raven/service.cpp
@@ -110,7 +110,7 @@
 
     addGs101CommonDataProviders(p);
     addDisplay(p);
-    addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-4/4-0008/power_stats");
+    addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-4/i2c-st21nfc/power_stats");
     addUwb(p);
 
     const std::string instance = std::string() + PowerStats::descriptor + "/default";