Update SCP Arm Embedded GCC to 9-2020-q2

Change-Id: I2470f1c375651b8303a13b885c6cd86ab436ca13
Signed-off-by: Chris Kay <chris.kay@arm.com>
diff --git a/scp_config/juno b/scp_config/juno
index c324de6..df6d969 100644
--- a/scp_config/juno
+++ b/scp_config/juno
@@ -1,2 +1,2 @@
-CC=/arm/pdsw/tools/gcc-arm-none-eabi-5_4-2016q3/bin/arm-none-eabi-gcc
+CC=/arm/pdsw/downloads/scp-models/tools/gcc-arm-none-eabi-9-2020-q2-update/bin/arm-none-eabi-gcc
 PRODUCT=juno