libcpu: aarch64: Fix NORMAL_NOCACHE_MEM attr #5807

Job	Run time
generate-matrix	6s
RTduino_Arduino Libraries (STM32F412 Nucleo)	6m 18s
RT-Thread Online Packages (STM32F407 RT-Spark)	5m 47s
stm32f0_f1	3m 42s
at32_hc32_ht32	4m 0s
others_ft32_mm32_acm32	4m 35s
RTduino_Arduino Libraries (Raspberry Pico)	7m 17s
nxp_renesas	4m 23s
mips	1m 6s
ESP32C3	6m 58s
Infineon_TI_microchip	5m 15s
nuvoton	3m 24s
stm32l4	9m 35s
i386-unknown	58s
stm32_f2_f4	10m 27s
hpmicro	1m 11s
riscv-none	1m 51s
aarch64	1m 10s
llvm-arm	3m 19s
nordic(yml)	7m 0s
gd32_n32_apm32	3m 26s
simulator	53s
riscv64-unknown	1m 51s
stm32_f7_g0_h7_mp15_u5_h5_wb5	4m 30s
collect-artifacts	-1s
	1h 39m 1s

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