mmc: fsl_esdhc: Define macro ESDHCCTL_SNOOP for Snoop attribute

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 05a6d0c..fdf2cc2 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -724,7 +724,7 @@
 
 	setbits_be32(&sysconf->sdhccr, 0x02000000);
 #else
-	esdhc_write32(&regs->esdhcctl, 0x00000040);
+	esdhc_write32(&regs->esdhcctl, ESDHCCTL_SNOOP);
 #endif
 }