Fixed otp tool build regression

Author: danielinux

tools/keytools/otp/Makefile

@@ -11,7 +11,7 @@ TARGET?=none
 ARCH?=ARM
 CROSS_COMPILE?=arm-none-eabi-
 CFLAGS+=-O0 -ggdb
-CFLAGS+=-I. -I../../../ -I../../../include
+CFLAGS+=-I. -I../../../ -I../../../include -I../../../lib/wolfssl
 CFLAGS+=-I./wcs
 CFLAGS+=-DFLASH_OTP_KEYSTORE -D__FLASH_OTP_PRIMER
 PRI_KS_OBJS+=startup.o otp-keystore-primer.o ../../../src/keystore.o