fix ci build on windows

Author: hathach

examples/make.mk

@@ -74,16 +74,16 @@ else
   SIZE = $(CROSS_COMPILE)size
 endif
 
-MKDIR = mkdir
-
 ifeq ($(CMDEXE),1)
   CP = copy
   RM = del
   PYTHON = python
+  MKDIR = cmd /e /c mkdir
 else
   SED = sed
   CP = cp
   RM = rm
+  MKDIR = mkdir
   PYTHON = python3
 endif
 

tools/top.mk

@@ -25,7 +25,7 @@ endif
 THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
 
 # strip off /tools/top.mk to get for example ../../..
-TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))
+TOP := $(subst /tools/top.mk,,$(THIS_MAKEFILE))
 $(info top.mk: Initial TOP=$(TOP))
 
 # Set TOP to an absolute path, for example /tinyUSB (from ../../..)