at91bootstrap3: bump to v3.8

In preparation for sama5d2 xplained support, bump at91bootstrap3 to 3.8

[Peter: add .hash file]
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

boot/at91bootstrap3/Config.in

@@ -15,7 +15,7 @@ choice
 	prompt "AT91 Bootstrap 3 version"
 
 config BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION
-	bool "3.7.2"
+	bool "3.8"
 
 config BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_GIT
 	bool "Custom Git repository"
@@ -40,7 +40,7 @@ endif
 
 config BR2_TARGET_AT91BOOTSTRAP3_VERSION
 	string
-	default "v3.7.2" if BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION
+	default "v3.8" if BR2_TARGET_AT91BOOTSTRAP3_LATEST_VERSION
 	default BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_REPO_VERSION \
 		if BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_GIT
 

boot/at91bootstrap3/at91bootstrap3.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	ae7bb3f8e631f5216f05fd4650b37f2e76d88d0b893bd680f4f398f33b8f3470  at91bootstrap3-v3.8.tar.gz