mmc: tmio: sdhi: Move tap_pos to private data

Move the tap_pos variable, which is the HS200/HS400/SDR104 calibration
offset, into private data, so it can be passed around. This is done in
preparation for the HS400 mode, which needs to adjust this value.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h
index 6591c61..9a427b5 100644
--- a/drivers/mmc/tmio-common.h
+++ b/drivers/mmc/tmio-common.h
@@ -135,6 +135,9 @@
 #if CONFIG_IS_ENABLED(CLK)
 	struct clk			clk;
 #endif
+#if CONFIG_IS_ENABLED(RENESAS_SDHI)
+	u8				tap_set;
+#endif
 	ulong (*clk_get_rate)(struct tmio_sd_priv *);
 };