Revert the default Max EE constant to 3.

After upgrading to NFA 1.3.62 we took the change to set the max
number of EE to be 4 (to support 20795).  But the value must
remain at 3 for the current set of chips.  We'll need to add
dynamic support later (or .conf file entry can be used).

Change-Id: If706e345b92a8e7630ad1cc4fdbfe908bceabae8
diff --git a/src/include/nfc_target.h b/src/include/nfc_target.h
index a2e9e73..950afd7 100755
--- a/src/include/nfc_target.h
+++ b/src/include/nfc_target.h
@@ -652,7 +652,7 @@
 
 /* Max number of NFCEE supported */
 #ifndef NFA_EE_MAX_EE_SUPPORTED
-#define NFA_EE_MAX_EE_SUPPORTED         4
+#define NFA_EE_MAX_EE_SUPPORTED         3           /* Modified for NFC-A until we add dynamic support */
 #endif
 
 /* Maximum number of AID entries per target_handle  */