NFC: Changes to support NQ3XX chipsets

Changes done to support NQ3XX chip based on
NQ3XX_PRESENT flag
Default CLK Src changed and other required
changes made in example .conf files

Change-Id: I9f259d95452e8cb285fdce9d6a3c14d8e4024531
diff --git a/Android.mk b/Android.mk
index 1873a21..7e8512d 100644
--- a/Android.mk
+++ b/Android.mk
@@ -55,7 +55,11 @@
 endif
 
 #### Select the CHIP ####
+ifeq ($(strip $(NQ3XX_PRESENT)),true)
+NXP_CHIP_TYPE := $(PN553)
+else
 NXP_CHIP_TYPE := $(PN548C2)
+endif
 
 ifeq ($(NXP_CHIP_TYPE),$(PN547C2))
 D_CFLAGS += -DNFC_NXP_CHIP_TYPE=PN547C2