boot/opensbi: Config.in: Cosmetic style fix

Use space intead of tab before 'if'.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

boot/opensbi/Config.in

@@ -57,10 +57,10 @@ endif
 
 config BR2_TARGET_OPENSBI_VERSION
 	string
-	default "1.2"	if BR2_TARGET_OPENSBI_LATEST_VERSION
+	default "1.2" if BR2_TARGET_OPENSBI_LATEST_VERSION
 	default BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE \
 		if BR2_TARGET_OPENSBI_CUSTOM_VERSION
-	default "custom"	if BR2_TARGET_OPENSBI_CUSTOM_TARBALL
+	default "custom" if BR2_TARGET_OPENSBI_CUSTOM_TARBALL
 	default BR2_TARGET_OPENSBI_CUSTOM_REPO_VERSION \
 		if BR2_TARGET_OPENSBI_CUSTOM_GIT