Using clockCyclesPerMicrosecond() in host build fails (#6844)

* At least the F_CPU define in host mock.h is needed by host Arduino.h - need to include Arduino.h further down in mock.h for this to work.

* Geting the include order right

Author: dok-net

tests/host/common/mock.h

@@ -61,6 +61,29 @@ typedef uint32_t uint32;
 
 //
 
+#define ARDUINO 267
+#define ESP8266 1
+#define A0 0
+#define LED_BUILTIN 0
+#define F_CPU 80000000
+#define LWIP_OPEN_SRC
+#define TCP_MSS 536
+#define LWIP_FEATURES 1
+
+//
+
+#define D0 0
+#define D1 1
+#define D2 3
+#define D3 3
+#define D4 4
+#define D5 5
+#define D6 6
+#define D7 7
+#define D8 8
+
+//
+
 #include <Arduino.h>
 
 //
@@ -143,29 +166,6 @@ void mock_stop_littlefs ();
 
 //
 
-#define ARDUINO 267
-#define ESP8266 1
-#define A0 0
-#define LED_BUILTIN 0
-#define F_CPU 80000000
-#define LWIP_OPEN_SRC
-#define TCP_MSS 536
-#define LWIP_FEATURES 1
-
-//
-
-#define D0 0
-#define D1 1
-#define D2 3
-#define D3 3
-#define D4 4
-#define D5 5
-#define D6 6
-#define D7 7
-#define D8 8
-
-//
-
 #include <common/esp8266_peri.h>
 
 //