nn/temp: Fix TEMPTargetPreference

Author: GaryOderNichts

include/nn/temp/temp.h

@@ -9,8 +9,10 @@ extern "C" {
 
 typedef enum TEMPTargetPreference
 {
-    TEMP_PREF_DEFAULT = 0,
-    TEMP_PREF_INTERNAL_STORAGE = 1,
+    //! Use whichever target has more available space
+    TEMP_PREF_DEFAULT          = 0,
+    //! Always prefer USB
+    TEMP_PREF_USB              = 1,
 } TEMPTargetPreference;
 
 typedef uint64_t TEMPDirId;
@@ -22,7 +24,7 @@ void
 TEMPShutdown();
 
 FSStatus
-TEMPCreateAndInitTempDir(uint32_t size,
+TEMPCreateAndInitTempDir(uint32_t maxSize,
                          TEMPTargetPreference pref,
                          TEMPDirId *outDir);