Reduce NFC-DEP target timeout in ATR_RES to 8.

This is actually required by [DIGITAL], see WTmax
in Appendix A.10 in Digital 1.0

Bug: 5971998
Change-Id: If25e887d80e3cdfd48b112453b187c38f4ceeeaa
diff --git a/nfc/nfc_hw.c b/nfc/nfc_hw.c
index 99adc29..9d87b5f 100644
--- a/nfc/nfc_hw.c
+++ b/nfc/nfc_hw.c
@@ -86,8 +86,8 @@
     ,{0x00,0x9C,0x12,0x00} //
     ,{0x00,0x9C,0x13,0x00} //
 
-    //WTX for LLCP communication
-    ,{0x00,0x98,0xA2,0x0E} // Max value: 14 (default value: 09)
+    // NFC-DEP Target Waiting Time (WT)
+    ,{0x00,0x98,0xA2,0x08} // Set to 0x08 as required by [digital] (default value: 09)
 
     //SE GPIO
     ,{0x00, 0x98, 0x93, 0x40}