Correct SPL use of SUPPORT_EMMC_RPMB

This converts 1 usage of this option to the non-SPL form, since there is
no SPL_SUPPORT_EMMC_RPMB defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 3a664c2..3dc7571 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -46,7 +46,7 @@
 obj-$(CONFIG_MMC_OCTEONTX)		+= octeontx_hsmmc.o
 obj-$(CONFIG_MMC_OWL)			+= owl_mmc.o
 obj-$(CONFIG_MMC_PCI)			+= pci_mmc.o
-obj-$(CONFIG_$(SPL_TPL_)SUPPORT_EMMC_RPMB) += rpmb.o
+obj-$(CONFIG_SUPPORT_EMMC_RPMB) += rpmb.o
 obj-$(CONFIG_MMC_SANDBOX)		+= sandbox_mmc.o
 obj-$(CONFIG_SH_MMCIF) += sh_mmcif.o
 obj-$(CONFIG_SH_SDHI) += sh_sdhi.o