cypress: Add support for watchdog timer update in boot image

Add watchdog timer to MCUBootApp plus BlinkyApp to implement  additional way of boot/upgrade image operation confirmation.

Signed-off-by: Roman Okhrimenko <roman.okhrimenko@cypress.com>
diff --git a/boot/cypress/MCUBootApp/libs.mk b/boot/cypress/MCUBootApp/libs.mk
index 227cda6..3605bb3 100644
--- a/boot/cypress/MCUBootApp/libs.mk
+++ b/boot/cypress/MCUBootApp/libs.mk
@@ -33,6 +33,7 @@
 
 # Collect source files for PDL
 SOURCES_PDL := $(wildcard $(CUR_LIBS_PATH)/pdl/psoc6pdl/drivers/source/*.c)
+SOURCES_WATCHDOG := $(wildcard $(CUR_LIBS_PATH)/watchdog/*.c)
 
 # PDL related include directories
 INCLUDE_DIRS_PDL := $(CUR_LIBS_PATH)/pdl/psoc6pdl/drivers/include
@@ -42,12 +43,14 @@
 
 # core-libs related include directories
 INCLUDE_DIRS_CORE_LIB := $(CUR_LIBS_PATH)/core-lib/include
+INCLUDE_DIRS_WATCHDOG := $(CUR_LIBS_PATH)/watchdog
 
 SOURCES_HAL += $(CUR_LIBS_PATH)/psoc6hal/COMPONENT_PSOC6HAL/source/cyhal_crypto_common.c
 SOURCES_HAL += $(CUR_LIBS_PATH)/psoc6hal/COMPONENT_PSOC6HAL/source/cyhal_hwmgr.c
 
 # Collected source files for libraries
 SOURCES_LIBS := $(SOURCES_PDL)
+SOURCES_LIBS += $(SOURCES_WATCHDOG)
 SOURCES_LIBS += $(SOURCES_PLATFORM)
 SOURCES_LIBS += $(SOURCES_HAL)
 
@@ -61,6 +64,7 @@
 INCLUDE_DIRS_LIBS := $(addprefix -I,$(INCLUDE_DIRS_PDL))
 INCLUDE_DIRS_LIBS += $(addprefix -I,$(INCLUDE_DIRS_PLATFORM))
 INCLUDE_DIRS_LIBS += $(addprefix -I,$(INCLUDE_DIRS_CORE_LIB))
+INCLUDE_DIRS_LIBS += $(addprefix -I,$(INCLUDE_DIRS_WATCHDOG))
 INCLUDE_DIRS_LIBS += $(addprefix -I,$(INCLUDE_DIRS_HAL))
 
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