Remove whitelist entry for CONFIG_CRC32

There are no longer any references to this in the code so this can be
removed.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 67e27e4..93f5643 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -288,7 +288,6 @@
 CONFIG_CPU_TYPE_R
 CONFIG_CPU_VR41XX
 CONFIG_CQSPI_REF_CLK
-CONFIG_CRC32
 CONFIG_CS8900_BUS16
 CONFIG_CS8900_BUS32
 CONFIG_CSF_SIZE