i tried to build ATF for FVP platform and got this error
lib/cpus/aarch64/cortex_a75.S:48: Error: constant expression required at operand 3 -- `ubfx x0,x0,#ID_AA64PFR0_CSV2_SHIFT,#ID_AA64PFR0_CSV2_LENGTH'
Makefile:556: recipe for target 'build/fvp/release/bl31/cortex_a75.o' failed
i tried to build ATF for FVP platform and got this error lib/cpus/aarch64/cortex_a75.S:48: Error: constant expression required at operand 3 -- `ubfx x0,x0,#ID_AA64PFR0_CSV2_SHIFT,#ID_AA64PFR0_CSV2_LENGTH' Makefile:556: recipe for target 'build/fvp/release/bl31/cortex_a75.o' failed