staging: mt7621-mmc: Remove unused define MAX_PHY_SGMTS

The define MAX_PHY_SGMTS is never used, so remove it.
Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-mmc/sd.c

@@ -89,7 +89,6 @@
 #define MAX_BD_NUM          (1024)
 
 #define MAX_HW_SGMTS        (MAX_BD_NUM)
-#define MAX_PHY_SGMTS       (MAX_BD_NUM)
 #define MAX_SGMT_SZ         (MAX_DMA_CNT)
 #define MAX_REQ_SZ          (MAX_SGMT_SZ * 8)