crc32: Use the crc.h header for crc functions

Drop inclusion of crc.h in common.h and use the correct header directly
instead.

With this we can drop the conflicting definition in fw_env.h and rely on
the crc.h header, which is already included.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 493d906..ea52b95 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -13,6 +13,7 @@
 #include <u-boot/crc.h>
 #include <bootm.h>
 #include <pe.h>
+#include <u-boot/crc.h>
 #include <watchdog.h>
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index ced0051..72555f0 100644
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -11,6 +11,7 @@
 #include <elf.h>
 #include <efi_loader.h>
 #include <rtc.h>
+#include <u-boot/crc.h>
 
 /* For manual relocation support */
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c
index 46f35bc..c316bdf 100644
--- a/lib/efi_loader/efi_variable.c
+++ b/lib/efi_loader/efi_variable.c
@@ -11,6 +11,7 @@
 #include <hexdump.h>
 #include <malloc.h>
 #include <search.h>
+#include <u-boot/crc.h>
 
 #define READ_ONLY BIT(31)