simplify the autogen.sh and change the check of autoreconf to aclocal
simplify the autogen.sh and change the check of autoreconf to aclocal

Signed-off-by: Lai Jiangshan <b337eedf453972390e4695e362aeea2634ef4e0c@gmail.com>

feiskyer/hyper,hyperhq/hyper,laijs/hyperd,feiskyer/hyper,gnawux/hyper,laijs/hyper,gnawux/hyper,gao-feng/hyper,gao-feng/hyper,ZJU-SEL/hyper,WIZARD-CXY/hyper,WIZARD-CXY/hyper,laijs/hyper,hyperhq/hyperd,gao-feng/hyper,bergwolf/hyperd,laijs/hyperd,laijs/hyper,feiskyer/hyper,gnawux/hyper,ZJU-SEL/hyper,hyperhq/hyper,hyperhq/hyper,bergwolf/hyperd,bergwolf/hyperd,feiskyer/hyper,WIZARD-CXY/hyper,laijs/hyper,hyperhq/hyperd,laijs/hyperd,gao-feng/hyper-public,bergwolf/hyperd,hyperhq/hyperd,gao-feng/hyper,hyperhq/hyper,WIZARD-CXY/hyper,gao-feng/hyper-public,gao-feng/hyper-public,ZJU-SEL/hyper,ZJU-SEL/hyper