mmc: sdhci: reduce code duplication for aligned buffer

The same code is run for both SDHCI_QUIRK_32BIT_DMA_ADDR and
define(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER).

Unify the code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/include/sdhci.h b/include/sdhci.h
index 1358218..7f8feef 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -9,6 +9,7 @@
 #ifndef __SDHCI_HW_H
 #define __SDHCI_HW_H
 
+#include <linux/types.h>
 #include <asm/io.h>
 #include <mmc.h>
 #include <asm/gpio.h>
@@ -322,6 +323,7 @@
 
 	struct mmc_config cfg;
 	void *align_buffer;
+	bool force_align_buffer;
 	dma_addr_t start_addr;
 	int flags;
 #define USE_SDMA	(0x1 << 0)