tpm/st33zp24: Fix spelling mistake in macro ST33ZP24_TISREGISTER_UKNOWN

Fix spelling mistake, rename ST33ZP24_TISREGISTER_UKNOWN to
ST33ZP24_TISREGISTER_UNKNOWN

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

drivers/char/tpm/st33zp24/spi.c

@@ -40,7 +40,7 @@
 #define ST33ZP24_OK					0x5A
 #define ST33ZP24_UNDEFINED_ERR				0x80
 #define ST33ZP24_BADLOCALITY				0x81
-#define ST33ZP24_TISREGISTER_UKNOWN			0x82
+#define ST33ZP24_TISREGISTER_UNKNOWN			0x82
 #define ST33ZP24_LOCALITY_NOT_ACTIVATED			0x83
 #define ST33ZP24_HASH_END_BEFORE_HASH_START		0x84
 #define ST33ZP24_BAD_COMMAND_ORDER			0x85
@@ -84,7 +84,7 @@ static int st33zp24_status_to_errno(u8 code)
 		return 0;
 	case ST33ZP24_UNDEFINED_ERR:
 	case ST33ZP24_BADLOCALITY:
-	case ST33ZP24_TISREGISTER_UKNOWN:
+	case ST33ZP24_TISREGISTER_UNKNOWN:
 	case ST33ZP24_LOCALITY_NOT_ACTIVATED:
 	case ST33ZP24_HASH_END_BEFORE_HASH_START:
 	case ST33ZP24_BAD_COMMAND_ORDER: