Kconfig: Rename SPL_CRC32_SUPPORT to SPL_CRC32

Drop the _SUPPORT suffix so we can use CONFIG_IS_ENABLED() with this
option.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
diff --git a/configs/taurus_defconfig b/configs/taurus_defconfig
index ce09450..4c47d7b 100644
--- a/configs/taurus_defconfig
+++ b/configs/taurus_defconfig
@@ -36,7 +36,7 @@
 CONFIG_BOARD_EARLY_INIT_F=y
 # CONFIG_SPL_LEGACY_IMAGE_SUPPORT is not set
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
-CONFIG_SPL_CRC32_SUPPORT=y
+CONFIG_SPL_CRC32=y
 CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_SPL_NAND_DRIVERS=y
 CONFIG_SPL_NAND_ECC=y