gnu make: Make V= behaviour consistent with V=0

Previously, V=0 would print some verbose lines but not most of them.

This meant that it was impossible to disable all verbose output
when BATCH_BUILD=1

Closes https://github.com/espressif/esp-idf/issues/3488

make/component_wrapper.mk

@@ -91,7 +91,9 @@ COMPONENT_SUBMODULES ?=
 COMPILING_COMPONENT_PATH := $(COMPONENT_PATH)
 
 define includeCompBuildMakefile
-$(if $(V),$(info including $(1)/Makefile.componentbuild...))
+ifeq ("$(V)","1")
+$$(info including $(1)/Makefile.componentbuild...)
+endif
 COMPONENT_PATH := $(1)
 include $(1)/Makefile.componentbuild
 endef

make/project.mk

@@ -502,7 +502,9 @@ $(eval $(call ldgen_create_commands))
 # Include any Makefile.projbuild file letting components add
 # configuration at the project level
 define includeProjBuildMakefile
-$(if $(V),$$(info including $(1)/Makefile.projbuild...))
+ifeq ("$(V)","1")
+$$(info including $(1)/Makefile.projbuild...)
+endif
 COMPONENT_PATH := $(1)
 include $(1)/Makefile.projbuild
 endef