microblaze: drop remnants of manual reloc

Runtime relocation has been made the default for microblaze, so do the
following cleanups:
- drop all manual reloc codepaths in start.S
- drop all STATIC_RELA ifdefs, as it is now enabled unconditionally in
Kconfig

Reviewed-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Link: https://lore.kernel.org/r/20230311173838.521804-5-ovpanait@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/arch/microblaze/cpu/Makefile b/arch/microblaze/cpu/Makefile
index 1c586a7..b8c1dcb 100644
--- a/arch/microblaze/cpu/Makefile
+++ b/arch/microblaze/cpu/Makefile
@@ -5,7 +5,6 @@
 
 extra-y	= start.o
 obj-y	= irq.o
-obj-y	+= interrupts.o cache.o exception.o cpuinfo.o
-obj-$(CONFIG_STATIC_RELA)	+= relocate.o
+obj-y	+= interrupts.o cache.o exception.o cpuinfo.o relocate.o
 obj-$(CONFIG_XILINX_MICROBLAZE0_PVR) += pvr.o
 obj-$(CONFIG_SPL_BUILD)	+= spl.o