fix an "extra" semaphore wait in msc host

demos/bsp/boards/printf_retarget.c

@@ -83,8 +83,6 @@ int __sys_write (int iFileHandle, char *pcBuffer, int iLength)
 
 #elif CFG_PRINTF_TARGET == PRINTF_TARGET_SWO
   #error author does not know how to retarget SWO with lpcxpresso/red-suite
-#else
-	#error Thach, did you forget something
 #endif
 
 }

demos/host/src/msc_app.c

@@ -95,11 +95,11 @@ void tusbh_msc_mounted_cb(uint8_t dev_addr)
       return;
     }
 
-    puts("---------------------------------------------------------------------");
-    puts("- MASSSTORAGE CLASS CLI IS A NON-MATURE CODE. DISK-WRITING COMMANDS -");
-    puts("- SUCH AS cp(COPY), mkdir(MAKE DIRECTORY) ARE POTENTIAL TO DAMAGE   -");
-    puts("- YOUR USB THUMBDRIVE. USING THOSE COMMANDS ARE AT YOUR OWN RISK.   -");
-    puts("- THE AUTHOR HAS NO RESPONSIBILITY WITH YOUR DEVICE NOR ITS DATA    -");
+    puts("-------------------------------------------------------------------");
+    puts("- MASSSTORAGE CLASS CLI IS A IMMATURE CODE. DISK-WRITING COMMANDS -");
+    puts("- SUCH AS cp(COPY), mkdir(MAKE DIRECTORY) ARE POTENTIAL TO DAMAGE -");
+    puts("- YOUR USB THUMBDRIVE. USING THOSE COMMANDS ARE AT YOUR OWN RISK. -");
+    puts("- THE AUTHOR HAS NO RESPONSIBILITY WITH YOUR DEVICE NOR ITS DATA  -");
     puts("---------------------------------------------------------------------");
 
     f_chdrive(dev_addr-1); // change to newly mounted drive