efi: Add dhrystone, dcache and scroll lines to app

Add these options to provide some performance measurement, see cache
status and slightly speed up the appallingly slow console.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/efi-x86_app64_defconfig b/configs/efi-x86_app64_defconfig
index 605d49f..dae4884 100644
--- a/configs/efi-x86_app64_defconfig
+++ b/configs/efi-x86_app64_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_BOOTM is not set
 CONFIG_CMD_PART=y
 # CONFIG_CMD_NET is not set
+CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
@@ -39,7 +40,9 @@
 CONFIG_USE_ROOTPATH=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
+CONFIG_CONSOLE_SCROLL_LINES=5
 # CONFIG_REGEX is not set
+CONFIG_CMD_DHRYSTONE=y
 # CONFIG_GZIP is not set
 CONFIG_EFI=y
 CONFIG_EFI_APP_64BIT=y