Merge branch 'feat/vfs_linux' into 'master'

feat(vfs): Add support for linux target in VFS

See merge request espressif/esp-idf!39524

components/fatfs/src/ff.h

@@ -47,7 +47,7 @@ typedef unsigned __int64 QWORD;
 #elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus)	/* C99 or later */
 #define FF_INTDEF 2
 #include <stdint.h>
-typedef unsigned int	UINT;	/* int must be 16-bit or 32-bit */
+typedef size_t	UINT;	/* int must be 16-bit or 32-bit or 64 bit (Linux)  */
 typedef unsigned char	BYTE;	/* char must be 8-bit */
 typedef uint16_t		WORD;	/* 16-bit unsigned */
 typedef uint32_t		DWORD;	/* 32-bit unsigned */

components/fatfs/src/ffconf.h

@@ -375,7 +375,7 @@
 /* Some memory allocation functions are declared here in addition to ff.h, so that
    they can be used also by external code when LFN feature is disabled.
  */
-void* ff_memalloc (unsigned msize);
+void* ff_memalloc (size_t msize);
 void ff_memfree(void*);
 
 /* Redefine names of disk IO functions to prevent name collisions */