bsp/renesas: add EK-RA4E2 bsp support #7286

Job	Run time
🔍 Summary of Git Diff Changes	35s
RTduino_Arduino Libraries (Raspberry Pico)	7m 17s
others_ft32_mm32_acm32	3m 37s
RT-Thread Online Packages (STM32F407 RT-Spark)	5m 30s
at32_hc32_ht32	19m 55s
stm32l4	8m 38s
stm32_f7_g0_h7_mp15_u5_h5_wb5	7m 13s
stm32_f2_f4	11m 45s
nxp_renesas	5m 42s
nuvoton	3m 49s
stm32f0_f1	6m 28s
Infineon_TI_microchip	5m 45s
gd32_n32_apm32	5m 51s
riscv64-unknown	1m 27s
K230	1m 36s
mips	1m 3s
aarch64	1m 7s
hpmicro	56s
i386-unknown	58s
nordic(yml)	7m 15s
simulator	59s
ESP32C3	7m 4s
arm-none-bsp-smart	2m 41s
riscv-none	3m 12s
xuantie-smart	1m 0s
allwinner-smart	1m 5s
xuantie	1m 58s
llvm-arm	4m 3s
collect-artifacts	0s
	2h 8m 29s

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