fix(intel): remove redundant BIT_32 macro

BIT_32 macro is already defined as part of the utils_def.h and included
through mmc.h

Suggested-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I7921681ee9af7d65e8eab5a0bf1d5236ecfed1a4
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>

include/drivers/cadence/cdns_sdmmc.h

@@ -280,9 +280,6 @@
 #define SDMMC_CDN(_reg)				(SDMMC_CDN_REG_BASE + \
 								(SDMMC_CDN_##_reg))
 
-/* Refer to atf/tools/cert_create/include/debug.h */
-#define BIT_32(nr)					(U(1) << (nr))
-
 /* MMC Peripheral Definition */
 #define SOCFPGA_MMC_BLOCK_SIZE		U(8192)
 #define SOCFPGA_MMC_BLOCK_MASK		(SOCFPGA_MMC_BLOCK_SIZE - U(1))