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/socfpga_agilex_vab_defconfig b/configs/socfpga_agilex_vab_defconfig
index 97eb7b4..3135b61 100644
--- a/configs/socfpga_agilex_vab_defconfig
+++ b/configs/socfpga_agilex_vab_defconfig
@@ -24,7 +24,7 @@
 CONFIG_BOOTARGS="earlycon"
 CONFIG_USE_BOOTCOMMAND=y
 CONFIG_BOOTCOMMAND="run fatscript; run mmcfitload; run mmcfitboot"
-CONFIG_SPL_CRC32_SUPPORT=y
+CONFIG_SPL_CRC32=y
 CONFIG_SPL_CACHE=y
 CONFIG_SPL_SPI_LOAD=y
 CONFIG_SPL_ATF=y