"installer=load mmc 0:2 $load_addr " \
"/flex_installer_arm64.itb; " \
"bootm $load_addr#$board\0" \
"installer=load mmc 0:2 $load_addr " \
"/flex_installer_arm64.itb; " \
"bootm $load_addr#$board\0" \
"sf probe && sf read $load_addr " \
"$kernel_addr $kernel_size; env exists secureboot " \
"&& sf read $kernelheader_addr_r $kernelheader_addr " \
"$kernelheader_size && esbc_validate ${kernelheader_addr_r}; " \
"bootm $load_addr#$board\0"
"sf probe && sf read $load_addr " \
"$kernel_addr $kernel_size; env exists secureboot " \
"&& sf read $kernelheader_addr_r $kernelheader_addr " \
"$kernelheader_size && esbc_validate ${kernelheader_addr_r}; " \
"bootm $load_addr#$board\0"