Add the CID_MANFID_KINGSTON definition for centralized management of microSD cards. This allows identifying Kingston cards that require specific workarounds.

Signed-off-by: Adrián García Casado <adriangarciacasado42@gmail.com>
---
 drivers/mmc/core/quirks.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index c417ed34c..d736bb4be 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -15,6 +15,10 @@
 
 #include "card.h"
 
+#ifndef CID_MANFID_KINGSTON
+#define CID_MANFID_KINGSTON	0x70
+#endif
+
 static const struct mmc_fixup __maybe_unused mmc_sd_fixups[] = {
 	/*
 	 * Kingston Canvas Go! Plus microSD cards never finish SD cache flush.
-- 
2.47.3