add some tests support for msc host

refractor msch buffer for getting inital scsi like inquiry, read capacity
adding support for resovling stall on control pipe

tinyusb/common/compiler/compiler.h

@@ -52,12 +52,7 @@
 #ifndef _TUSB_COMPILER_H_
 #define _TUSB_COMPILER_H_
 
-#ifdef _TEST_
-  #define ATTR_ALWAYS_INLINE
-  #define STATIC_
-  #define STATIC_VAR
-  #define INLINE_
-#else
+#ifndef _TEST_
   #define STATIC_     static
   #define INLINE_     inline
 
@@ -67,9 +62,14 @@
   #else
     #define STATIC_VAR static
   #endif
+  #define ATTR_TEST_WEAK
+#else
+  #define ATTR_ALWAYS_INLINE
+  #define STATIC_
+  #define STATIC_VAR
+  #define INLINE_
 #endif
 
-// TODO refractor ATTR_PACKED(x)
 #if defined(__GNUC__)
   #include "compiler_gcc.h"
 #elif defined __ICCARM__ // IAR compiler