ARM: tegra: p2771-0000: enable PIE relocation

U-Boot is configured to build as position independent executable. Enable
relocation of RELA section required to work with different load
addresses.

Signed-off-by: Vishruth <vishruthj@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Peter Robinson <probinson@gmail.com>
diff --git a/configs/p2771-0000-500_defconfig b/configs/p2771-0000-500_defconfig
index 1a14a92..0803b26 100644
--- a/configs/p2771-0000-500_defconfig
+++ b/configs/p2771-0000-500_defconfig
@@ -36,3 +36,4 @@
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_POSITION_INDEPENDENT=y