HWW1U1A: Fix CMD_SHA1 -> CMD_SHA1SUM

Fix typo

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Kyle.D.Moffett@boeing.com
Acked-by: Anatolij Gustschin <agust@denx.de>

include/configs/HWW1U1A.h

@@ -422,7 +422,7 @@ const char *hww1u1a_get_ps1(void);
 #define CONFIG_MD5
 #define CONFIG_SHA1
 #define CONFIG_CMD_MD5SUM
-#define CONFIG_CMD_SHA1
+#define CONFIG_CMD_SHA1SUM
 #define CONFIG_CMD_ASKENV
 #define CONFIG_CMD_SETEXPR